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UKs Most Loved Mushroom Tinctures
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50,000+ Happy Customers
Energy Without Stimulants: A Guide to Caffeine and Sugar Free Alternatives

Energy Without Stimulants: A Guide to Caffeine and Sugar Free Alternatives

For many of us, “energy” has become almost synonymous with caffeine.

Coffee before work. Another coffee when concentration starts to dip. An energy drink before the gym. Something sweet at 3pm to get through the rest of the afternoon.

There is nothing inherently wrong with caffeine. For most healthy adults, moderate amounts can comfortably form part of a normal diet.

But caffeine is not the same thing as energy.

And consuming more caffeine is not always the answer to feeling tired.

Growing interest in caffeine free energy, energy without caffeine, stimulant free energy, sugar free energy alternatives, caffeine free coffee alternatives and adaptogenic drinks reflects a much broader question:

Can we support our natural energy without continually relying on stimulants and sugar?

The answer is yes.

But first, we need to understand what “energy” actually means.

What Does “Energy” Actually Mean?

When we say we feel energetic, we are usually describing several different things at once.

There is metabolic energy: the chemical energy our cells obtain from food and ultimately use to produce ATP.

There is alertness: how awake and attentive we feel.

And there is fatigue: the physical or mental sensation that makes sustained effort feel more difficult.

They are related, but they are not interchangeable.

Caffeine, for example, does not provide meaningful nutritional energy. Its principal action at normal dietary doses is to block adenosine receptors in the brain.

Adenosine signalling contributes to sleep pressure, so temporarily reducing its effects can increase alertness and reduce our perception of fatigue. Research has consistently found caffeine can improve measures such as vigilance, attention and reaction time.[1]

In other words, caffeine can make us feel less tired.

That is not necessarily the same thing as addressing why we were tired in the first place.

And that distinction is at the heart of finding more sustainable energy without caffeine.

Why Look for Caffeine-Free Energy?

You do not necessarily need to give up coffee.

The European Food Safety Authority concluded that single caffeine doses of up to 200 mg and habitual intake of up to 400 mg per day generally do not raise safety concerns for most healthy, non-pregnant adults.[2]

But individual sensitivity varies enormously.

For some people, one of the strongest reasons for looking for a caffeine free energy alternative is sleep.

A 2023 systematic review and meta-analysis of 24 studies found that caffeine consumption reduced total sleep time by approximately 45 minutes on average, reduced sleep efficiency and increased the time taken to fall asleep.[3]

The effect depends on factors including dose, timing and individual sensitivity.

But it creates a familiar potential cycle:

For someone caught in that cycle, finding a stronger stimulant may not be particularly useful.

Finding ways to rely on stimulants less often may be.

Caffeine-Free Doesn't Always Mean Stimulant-Free

There is another important distinction.

Caffeine-free and stimulant-free do not necessarily mean the same thing.

Some drinks may contain no added synthetic caffeine while still containing naturally caffeinated ingredients.

These can include:

  • Guarana
  • Coffee
  • Green tea
  • Black tea
  • Yerba mate
  • Kola nut

The UK Food Standards Agency specifically notes that caffeine can originate from ingredients such as guarana, kola nut and tea leaves.[4]

So if your objective is genuinely stimulant free energy, don't rely entirely on the front of the packet.

Read the full ingredient list.

Does Sugar Really Give You Energy?

Sugar is the other ingredient most commonly associated with a quick energy boost.

Technically, carbohydrate does provide nutritional energy. Glucose can ultimately be used by the body to produce ATP.

But the popular concept of a predictable psychological “sugar rush” is much less convincing.

A systematic review and meta-analysis examining 31 studies and 1,259 participants found no positive effect of acute carbohydrate consumption on mood. During parts of the first hour after consumption, carbohydrate intake was actually associated with greater fatigue and lower alertness than placebo.[5]

That does not mean carbohydrates are bad for you.

Far from it.

Carbohydrates are an important component of a balanced diet and an important fuel source.

But it does mean drinking something extremely sugary because you expect an immediate boost in mental energy may not work quite as advertised.

There are broader reasons to moderate free sugars too. The World Health Organization recommends keeping free sugars below 10% of total daily energy intake, with a further reduction below 5% potentially offering additional benefits.[6]

For someone looking for a sugar free energy alternative, it may therefore be more useful to think beyond the traditional energy drink altogether.

Sustainable Energy Starts With the Basics

Before searching for another ingredient to make you feel more awake, it is worth asking why you feel tired.

Sometimes, the answer is remarkably simple.

  • Poor sleep
  • Not eating enough
  • Dehydration
  • Long periods of sitting still
  • Stress
  • Lack of daylight
  • An inconsistent sleep schedule
  • Trying to do too much without enough recovery

Hydration is a good example. Research on hydration and cognition is not completely consistent, but dehydration appears capable of affecting areas including attention, executive function and motor performance, particularly as fluid deficits become greater.[7,8]

That does not make water an “energy drink”.

It means normal physiological function depends on basic needs being met.

Food is similarly important.

Unlike caffeine, food actually provides dietary energy.

Regular meals containing nutritious carbohydrate sources, protein, fibre and fats provide something a stimulant cannot: calories and nutrients that your body can use.

The foundation of energy without caffeine is therefore remarkably unglamorous:

Supplements and functional drinks can sit alongside those foundations.

They cannot replace them.

What About Caffeine-Free Coffee Alternatives?

For many people, giving up or reducing coffee is difficult for reasons that have very little to do with caffeine.

It is the ritual.

The smell.

The warm mug in your hands.

The first drink of the morning.

The five-minute pause while it brews.

A good caffeine free coffee alternative does not necessarily need to recreate the pharmacological effects of coffee.

Sometimes, it simply needs to replace the ritual.

Options include:

  • Roasted chicory drinks
  • Roasted root blends
  • Rooibos
  • Herbal teas
  • Roasted grain drinks
  • Functional mushroom drinks
  • Mushroom tinctures added to warm water or herbal tea
  • Decaffeinated coffee

Decaf coffee can dramatically reduce caffeine intake while retaining the flavour and ritual of coffee.

However, decaffeinated does not necessarily mean completely caffeine-free. Research testing commercially available decaffeinated coffees found measurable amounts of caffeine in many of the samples analysed.[9]

For most people, those small quantities may not matter.

Someone deliberately avoiding caffeine entirely may prefer a naturally caffeine-free alternative.

Where Do Adaptogenic Drinks Fit In?

Adaptogenic drinks have become one of the fastest-growing areas of the wider functional beverage category.

The term “adaptogen” is generally used for certain plants and other natural ingredients historically associated with the body's response to physical or psychological stress.

Rhodiola and ashwagandha are among the most extensively investigated botanical examples.

A 2026 systematic review examining clinical research on ashwagandha and rhodiola reported potential effects across outcomes including stress, fatigue and sleep. The researchers also highlighted important limitations, including small sample sizes, short intervention periods and considerable variation between studies.[10]

That distinction matters.

An adaptogenic drink should not automatically be viewed as an energy drink without caffeine.

These ingredients do not simply recreate caffeine's stimulant effect through another mechanism.

Where benefits are suggested by research, they have generally been investigated over repeated use, at specific doses and using particular preparations.

“Adaptogenic” is therefore better understood as a functional ingredient category than a guarantee that a drink will immediately make you feel more awake.

Functional Mushrooms and Caffeine-Free Routines

Functional mushrooms have increasingly appeared alongside adaptogenic plants in coffees, powders, drinks and supplements.

But mushrooms themselves do not contain caffeine.

That makes functional mushrooms particularly interesting for people who want to build a caffeine-free morning routine without simply replacing coffee with another stimulant.

That does not mean all mushroom products are automatically caffeine-free.

A mushroom coffee, for example, may still contain ordinary coffee.

The mushrooms are caffeine-free.

The finished product may not be.

This is where mushroom tinctures — also known as mushroom liquid extracts — offer a different approach.

Rather than combining mushrooms with coffee, a liquid extract can be taken directly or added to water, herbal tea, a smoothie or another drink of your choice.

That allows the mushroom to remain separate from the caffeine question entirely.

What Is a Mushroom Tincture or Mushroom Liquid Extract?

A mushroom tincture is a concentrated liquid preparation in which compounds from the mushroom have been extracted into liquid.

You may also see them described as:

  • Mushroom tinctures
  • Mushroom liquid extracts
  • Dual liquid extracts
  • Dual-extract mushroom tinctures

The terminology varies, but the extraction method is more important than the name on the bottle.

Mushrooms contain many different compounds with different chemical properties.

Some compounds are more readily extracted into hot water.

Others are more effectively extracted using alcohol.

A dual extraction uses both.

At Mogo Farm, for example, our mushroom tinctures undergo both alcohol and hot-water extraction. The alcohol phase is used to recover alcohol-soluble constituents including certain triterpenes and sterols, while hot-water extraction is used for water-soluble compounds including polysaccharides and beta-glucans. The two extracts are then combined into the finished liquid extract.

This is quite different from simply putting mushroom powder into a bottle of water.

Why Choose a Dual Liquid Mushroom Extract?

Extraction matters because mushroom compounds do not all behave in the same way.

Research into mushrooms such as Reishi, for example, identifies a chemically diverse range of constituents including polysaccharides, triterpenoids, sterols and other compounds.[17,18]

Water extraction is particularly well established for fungal polysaccharides, while alcohol-water systems can recover different fractions of the mushroom.

A dual liquid extract therefore aims to capture a broader spectrum of compounds than relying on one extraction medium alone.

At Mogo Farm, we take this further with a concentrated 1:3 dual liquid extraction process, using mushroom fruiting bodies rather than mycelium grown on grain. Our process uses both hot water and alcohol extraction before the extracts are combined and standardised.

Our tinctures contain just three core ingredients:

  • Mushroom fruiting body extract
  • Alcohol
  • Purified water

There are no unnecessary flavourings or fillers.

For people exploring caffeine free energy alternatives, this also makes the formulation particularly simple.

Mogo Farm mushroom tinctures are:

  • Caffeine free
  • Gluten free
  • Suitable for vegans
  • Made without added sugar
  • Made from mushroom fruiting bodies
  • Dual extracted
  • Third-party laboratory tested

They can be taken directly or added to water, tea, smoothies and other drinks, making them easy to incorporate into a caffeine-free routine. Mogo Farm's current range is confirmed as vegan-friendly and gluten-free, while the formulations contain mushroom fruiting body, alcohol and purified water without added sugar or unnecessary additives.

Which Mushrooms Are Associated With Energy?

Not every functional mushroom should be grouped together.

Each species contains a different chemical profile and has been investigated for different potential applications.

Cordyceps

Cordyceps is probably the mushroom most closely associated with discussions around physical energy and exercise.

Human evidence is interesting, but mixed.

One small double-blind placebo-controlled study in older adults found changes in metabolic and ventilatory thresholds after 12 weeks of a Cordyceps-derived preparation, although maximal oxygen consumption did not significantly change.[11]

Another study involving trained cyclists found that five weeks of supplementation did not significantly improve aerobic capacity, ventilatory threshold or endurance performance.[12]

More recent reviews have similarly concluded that while selected studies report potentially interesting effects on exercise and recovery measurements, the evidence remains inconsistent and is limited by differences in formulation, dose, participant populations and study size.[13]

Cordyceps is therefore an interesting mushroom within research into physical performance.

It would be inaccurate, however, to describe it as simply “natural caffeine”.

It does not work like caffeine.

And that is partly the point.

Lion's Mane

Lion's Mane is more commonly researched in relation to cognition than physical energy.

A small randomised double-blind pilot study involving healthy adults investigated both acute and 28-day Lion's Mane supplementation. Differences were reported in selected cognitive outcomes, although the researchers emphasised that the evidence remains preliminary and requires further investigation.[14]

Again, this is very different from demonstrating a caffeine-like stimulant effect.

Lion's Mane may fit naturally into a morning functional mushroom routine precisely because it does not need to be paired with caffeine.

Reishi

Reishi tends to sit at the other end of the routine.

Rather than being positioned as a conventional “energy” mushroom, it is frequently included in evening functional mushroom routines.

Some clinical research has investigated Reishi preparations in particular populations experiencing fatigue, although results from specific clinical populations should not be generalised into claims that Reishi increases energy in healthy adults.[15]

This highlights an important principle:

Evidence relating to one mushroom, extract, dose or population cannot automatically be transferred to another.

Mushroom Tinctures vs Mushroom Coffee

This distinction is particularly important for anyone specifically trying to reduce caffeine.

“Mushroom coffee” and “mushroom tincture” describe two very different things.

A mushroom coffee generally combines mushrooms or mushroom extracts with coffee or a coffee-style drink.

Depending on the formulation, it may still contain significant caffeine.

A mushroom tincture is a concentrated liquid extract.

It does not require coffee at all.

You can add a mushroom tincture to:

  • Water
  • Herbal tea
  • Rooibos
  • Smoothies
  • Juices
  • Food
  • A caffeine-free coffee alternative

Or simply take it directly according to the product instructions.

So if the objective is genuinely caffeine free energy, choosing the format matters almost as much as choosing the mushroom.

Do Mushroom Tinctures Break Fast?

This is one of the most common questions around taking mushroom tinctures in the morning.

The answer depends on what you mean by fasting.

Mogo Farm's tinctures are made from mushroom extract, purified water and alcohol. The finished tinctures contain approximately 30% alcohol, with a recommended serving of 2 ml.

Alcohol provides dietary energy rather than being calorie-free.

So, if you are following a strict zero-calorie or water-only fast, a mushroom tincture should technically be considered to break that fast.

Research protocols for time-restricted eating commonly allow water and energy-free beverages such as unsweetened tea or black coffee during fasting periods while excluding energy-containing foods and beverages.[19] Alcohol itself also contains approximately 7 kcal per gram.[20]

That does not necessarily mean a small tincture serving will meaningfully alter the overall calorie deficit of someone practising time-restricted eating for weight management.

Those are two different questions.

A 2 ml serving is a very small quantity in the context of someone's total daily food intake.

But “very small” is not the same as “zero”.

So our practical approach is simple:

This is particularly sensible for anyone fasting for a specific metabolic, religious or medical reason.

Claims around whether tiny amounts of calories “switch off autophagy” are also often much more certain online than the human evidence allows. There is no universally established calorie threshold at which every proposed fasting mechanism suddenly starts or stops.

If your fasting protocol has specific requirements, follow those requirements rather than assuming any supplement is automatically fast-compatible.

Caffeine-Free vs Stimulant-Free: What's the Difference?

When comparing drinks and supplements, it helps to look beyond the marketing category.

Option Caffeine? Added Sugar? Conventional Stimulant? Best Considered As
Regular coffee Yes Depends on preparation Yes Conventional stimulant
Decaf coffee Small residual amounts possible Depends Much lower Low-caffeine coffee alternative
Rooibos Naturally caffeine-free Usually none unless added No Tea alternative
Herbal tea Usually caffeine-free depending on ingredients Usually none unless added Usually no Caffeine-free drink
Chicory/root coffee Typically caffeine-free Depends on formulation No Coffee-style alternative
Adaptogenic drink Depends on formulation Depends Depends Functional beverage
Mushroom coffee Often Depends Often, if coffee is included Coffee plus functional mushrooms
Mushroom tincture No inherent caffeine Depends on formulation No conventional caffeine stimulation Functional mushroom extract
Conventional energy drink Usually May contain sugar or sweeteners Usually Stimulant beverage

The words “depends on formulation” are important.

A mushroom drink can contain coffee.

An adaptogenic drink can contain caffeine.

A sugar-free drink can still contain stimulants.

A decaffeinated coffee can contain small amounts of caffeine.

And a caffeine-free product is not automatically calorie-free or suitable during a strict fast.

Always look at the complete formulation.

How to Choose a Caffeine and Sugar-Free Alternative

The best alternative depends on why you normally reach for caffeine.

If You Want the Coffee Ritual

Try a roasted root drink, rooibos, decaffeinated coffee or caffeine-free herbal drink.

You can also add a mushroom tincture to a caffeine-free hot drink if functional mushrooms are already part of your routine.

If You're Simply Thirsty or Sluggish

Start with water.

It sounds obvious, but adding another functional ingredient when the underlying issue is simply dehydration makes little sense.

If You're Actually Hungry

Eat.

A supplement is not a substitute for food.

If your body needs dietary energy, coffee, mushrooms and adaptogens are not replacements for a balanced meal.

If You Want an Afternoon Drink Without More Caffeine

A herbal tea, rooibos or caffeine-free mushroom drink may make more sense than another coffee.

This is particularly relevant if caffeine later in the day affects your sleep.

If You're Interested in Functional Mushrooms

Look beyond the mushroom name on the label.

Consider:

  • The mushroom species
  • Fruiting body vs mycelium
  • Extraction method
  • Extraction ratio
  • Ingredient list
  • Added sugars
  • Added caffeine
  • Fillers
  • Independent testing
  • Traceability

A product labelled “mushroom” can range from raw powder blended into coffee to a highly concentrated dual liquid extract.

They are not equivalent products.

Reducing Caffeine? You May Want to Do It Gradually

People who consume caffeine every day can experience withdrawal if they suddenly stop.

A major review of caffeine withdrawal research identified symptoms including:

  • Headache
  • Fatigue
  • Reduced alertness
  • Difficulty concentrating
  • Irritability

Symptoms commonly begin around 12–24 hours after caffeine cessation and can continue for several days.[16]

This matters because it can create a misleading first impression.

Someone stops coffee.

They feel exhausted for two days.

They conclude that their body cannot function without coffee.

Part of what they are experiencing may simply be caffeine withdrawal.

Reducing caffeine gradually can make the transition easier.

For example:

There is no requirement to remove caffeine entirely.

The objective can simply be to stop needing it every time your energy dips.

Sustainable Energy Is Different From Stimulation

Perhaps the most useful distinction throughout this entire conversation is the difference between energy and stimulation.

Caffeine can increase alertness by changing signalling within the nervous system.

Sugar provides calories, although evidence does not support the popular belief that sugar reliably produces an immediate positive “sugar rush”.[5]

Functional mushrooms work differently again.

They are not caffeine substitutes in the pharmacological sense.

And they should not be expected to compensate for sleep deprivation, inadequate nutrition or chronic exhaustion.

Instead, mushroom tinctures, caffeine-free drinks and adaptogenic beverages can sit within a broader daily routine that is not built entirely around repeatedly stimulating the nervous system.

For some people, that means coffee in the morning and caffeine-free drinks later.

For others, it means replacing coffee altogether.

And for others, it simply means having more options.

Frequently Asked Questions

What Gives You Energy Without Caffeine?

There is no single caffeine-free ingredient that universally reproduces caffeine's stimulant effect.

Normal energy and alertness are influenced by sleep, nutrition, hydration, physical activity, circadian rhythm and overall health.

Caffeine-free drinks, functional mushroom tinctures and adaptogenic beverages can be incorporated into that wider routine without necessarily relying on caffeine.

Are Mushroom Tinctures Caffeine-Free?

Mogo Farm mushroom tinctures are caffeine-free and contain mushroom fruiting body extract, alcohol and purified water.

Other brands and formulations may differ so always check with the label and ingredients list.

Are Mogo Farm Mushroom Tinctures Vegan?

Yes.

Mogo Farm's functional mushroom liquid extracts are suitable for vegans.

Are Mogo Farm Mushroom Tinctures Gluten-Free?

Yes.

Mogo Farm mushroom tinctures are gluten-free and made without grain-based mycelium or unnecessary fillers.

Do Mushroom Tinctures Contain Sugar?

This depends on the manufacturer.

Some liquid supplements use sweeteners, glycerine or flavourings.

Mogo Farm tinctures contain no added sugar and use mushroom fruiting body extract, alcohol and purified water.

Do Mushroom Tinctures Break a Fast?

If you mean a strict zero-calorie fast, an alcohol-based tincture technically should be considered to break the fast because alcohol contains calories.

If you practise time-restricted eating mainly for calorie control, the quantity in a small tincture serving is very small in the context of total daily energy intake, but it is still not zero-calorie.

For a strict fasting protocol, take your tincture during your eating window.

Is Caffeine-Free the Same as Stimulant-Free?

No.

Some ingredients naturally contain caffeine even when caffeine has not been separately added.

Always check ingredients such as guarana, coffee, tea, kola nut and yerba mate.

What Is the Best Caffeine-Free Coffee Alternative?

That depends on what you like about coffee.

If it is the flavour, decaf may be the easiest switch.

If you want to avoid caffeine entirely, rooibos, roasted chicory, herbal drinks and roasted root beverages are alternatives.

If you are interested in functional mushrooms, mushroom tinctures can also be added to a caffeine-free drink without needing coffee at all.

Are Adaptogenic Drinks Caffeine-Free?

Not necessarily.

“Adaptogenic” describes the functional ingredients or positioning of the drink rather than its caffeine content.

Some adaptogenic beverages contain coffee, tea or added caffeine.

Is Cordyceps a Stimulant?

Cordyceps is not a conventional caffeine-like stimulant.

It has been studied in relation to exercise performance and fatigue, although human research remains mixed and results should not be interpreted as showing that Cordyceps simply works like natural caffeine.[11–13]

Are Mushroom Tinctures Better Than Mushroom Coffee?

They are different formats.

Mushroom coffee typically combines coffee with mushroom ingredients and may therefore still contain caffeine.

A mushroom tincture is a concentrated liquid extract that can be consumed independently of coffee.

For someone specifically trying to eliminate caffeine, that distinction can be important.

Final Thoughts

Caffeine is not inherently bad.

Sugar is not inherently bad.

And there is no need to turn your morning coffee into something you feel guilty about.

But neither caffeine nor sugar is synonymous with having energy.

If you are constantly reaching for another coffee because your energy is crashing, it may be worth asking a different question.

Not:

“What stimulant can I replace caffeine with?”

But:

“Why do I feel as though I need another stimulant?”

Sometimes you need food.

Sometimes you need water.

Sometimes you need movement.

Sometimes you need better sleep.

And sometimes you simply want a morning or afternoon ritual that does not involve another dose of caffeine.

That is where caffeine free coffee alternatives, stimulant free drinks, adaptogenic beverages and concentrated mushroom liquid extracts can become useful.

Not because they allow you to cheat fatigue.

But because they give you more ways to build a daily routine without depending entirely on caffeine and sugar.

References

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  2. EFSA Panel on Dietetic Products, Nutrition and Allergies. Scientific Opinion on the safety of caffeine. EFSA Journal. 2015;13(5):4102. doi:10.2903/j.efsa.2015.4102.
  3. Gardiner C, Weakley J, Burke LM, et al. The effect of caffeine on subsequent sleep: A systematic review and meta-analysis. Sleep Medicine Reviews. 2023;69:101764. doi:10.1016/j.smrv.2023.101764.
  4. Food Standards Agency. Guidance for food business operators on food supplements containing caffeine. GOV.UK.
  5. Mantantzis K, Schlaghecken F, Sünram-Lea SI, Maylor EA. Sugar rush or sugar crash? A meta-analysis of carbohydrate effects on mood. Neuroscience & Biobehavioral Reviews. 2019;101:45–67. doi:10.1016/j.neubiorev.2019.03.016.
  6. World Health Organization. Guideline: Sugars intake for adults and children. WHO; 2015.
  7. Wittbrodt MT, Millard-Stafford M. Dehydration impairs cognitive performance: a meta-analysis. Medicine & Science in Sports & Exercise. 2018.
  8. Goodman SPJ, Moreland AT, Marino FE. The effect of active hypohydration on cognitive function: A systematic review and meta-analysis. Physiology & Behavior. 2019.
  9. McCusker RR, Fuehrlein B, Goldberger BA, Gold MS, Cone EJ. Caffeine content of decaffeinated coffee. Journal of Analytical Toxicology. 2006;30(8):611–613. doi:10.1093/jat/30.8.611.
  10. Łuszczak J, Kocki J. Clinical evidence for the adaptogenic effects of Withania somnifera and Rhodiola rosea — a systematic review with molecular interpretation of psychometric outcomes. Annals of Agricultural and Environmental Medicine. 2026;33(1):3–11.
  11. Chen S, Li Z, Krochmal R, et al. Effect of Cs-4 (Cordyceps sinensis) on exercise performance in healthy older subjects: a double-blind, placebo-controlled trial. Journal of Alternative and Complementary Medicine. 2010;16(5):585–590.
  12. Parcell AC, Smith JM, Schulthies SS, Myrer JW, Fellingham G. Cordyceps Sinensis supplementation does not improve endurance exercise performance. International Journal of Sport Nutrition and Exercise Metabolism. 2004;14(2):236–242.
  13. Current Evidence of Ergogenic and Post-Exercise Recovery Effects of Dietary Supplementation with Cordyceps militaris in Humans — A Narrative Review. 2026.
  14. Docherty S, Doughty FL, Smith EF, et al. The Acute and Chronic Effects of Lion's Mane Mushroom Supplementation on Cognitive Function, Stress and Mood in Young Adults: A Double-Blind, Parallel Groups, Pilot Study. Nutrients. 2023;15(22):4842.
  15. Zhao H, Zhang Q, Zhao L, et al. Spore Powder of Ganoderma lucidum Improves Cancer-Related Fatigue in Breast Cancer Patients Undergoing Endocrine Therapy: A Pilot Clinical Trial. Evidence-Based Complementary and Alternative Medicine. 2012.
  16. Juliano LM, Griffiths RR. A critical review of caffeine withdrawal: empirical validation of symptoms and signs, incidence, severity, and associated features. Psychopharmacology. 2004;176(1):1–29.
  17. Yang M, Qin X, Liu X. A review of polysaccharides from Ganoderma lucidum: Preparation methods, structural characteristics, bioactivities, structure-activity relationships and potential applications. International Journal of Biological Macromolecules. 2025;303:140645. doi:10.1016/j.ijbiomac.2025.140645.
  18. Cör D, Knez Ž, Knez Hrnčič M. Antitumour, antimicrobial, antioxidant and antiacetylcholinesterase effect of Ganoderma lucidum terpenoids and polysaccharides: A review. Molecules. 2018.
  19. Varady KA, et al. Time-restricted eating: Watching the clock to treat obesity. Review of time-restricted eating protocols and fasting-window beverage intake.
  20. NHS. Calories in alcohol. NHS guidance noting that alcohol provides approximately 7 kcal per gram.
  21. Mogo Farm. The Mogo Farm Extraction Process: Dual Extraction Method Explained. Mogo Farm, Derbyshire.
  22. Mogo Farm. Mushroom Tinctures: Why Dual Extraction is the Gold Standard. Mogo Farm.
  23. Mogo Farm. Mushroom Tinctures & Liquid Drops: Product and Formulation Information. Mogo Farm.