Relying heavily on caffeine to survive the stress of the modern day eventually causes a crash. That's where adaptogens come in. 

Adaptogens are botanical extracts that change how your body processes physical and mental stress, by building long-term cellular resilience instead of temporarily masking your fatigue.

They can actively lower cortisol (our stress hormone) and stop your nervous system from constantly being in "fight or flight" mode. 

Key Takeaways

  • Adaptogens may interact with your HPA axis to lower cortisol production.

  • Ashwagandha may drop serum cortisol by up to 27.9% in highly stressed adults [2].

  • Shilajit fuels cellular energy directly, reducing fatigue severity by 32.4% [14].

  • Shatavari protects reproductive hormones from the damaging effects of chronic anxiety [15].

  • Moringa provides a massive antioxidant shield to repair cells damaged by stress [17].

  • Rhodiola rosea may treat chronic burnout and mental fatigue effectively [1].

  • You should cycle these botanical extracts to maintain their physical effectiveness over time.


In this ultimate guide, we'll take you through the clinical evidence showing exactly how adaptogens help fight the effects of stress on the body, protect your brain and restore your energy.

By the end of this guide, you'll know everything you need to know about adaptogens; the different types and the science-backed benefits of each. 

Disclaimer This information is not intended to take the place of medical advice. Always consult with your doctor or medical professional before using any supplements.

 

The Science of Adaptogens

HPA Axis Regulation

Studies suggest adaptogens work by dampening the hypothalamic-pituitary-adrenal (HPA) axis to prevent excessive cortisol release [3]. This is the central hormone pathway controlling your stress response.

Your hypothalamus (in your brain) triggers a chain reaction that floods your blood with cortisol when you encounter a stressor or stressful situations. 

Adaptogens intercept this biological signal and dampen the excessive release of these stress hormones [3]. This keeps your heart rate steady and prevents adrenaline spikes from ruining your focus.


Molecular Chaperones and Stress Sensors

Botanical extracts that make up adaptogens may stimulate the production of molecular chaperones like heat shock protein 70 (Hsp70). 

  • Heat shock proteins act as an internal repair crew for your cells. 
  • Intense physical or emotional stress damages cellular structures. Hsp70 steps in to fix these misfolded proteins [4].
  • By naturally boosting these repair proteins, adaptogens trick your body into a state of heightened stress resistance.
  • Recover much faster from heavy workouts and demanding cognitive tasks.

 

Top 7 Adaptogens For Stress Relief

There are many beneficial adaptogens but the top adaptogen supplements with strong scientifc evidence are: 

  • Ashwagandha
  • Shilajit 
  • Moringa 
  • Shatavari
  • Rhodiola Rosea
  • Siberian Ginseng
  • Schisandra Berry

Ashwagandha Benefits

Clinical trials suggest ashwagandha benefits include reliably dropping serum cortisol  levels (stress) and reduce severe anxiety.

  • Studies show that 600mg of a high-concentration root extract supplement reduces  stress scores by 44% over two months [2].
  • Another study showed taking 600 mg of Ashwagandha led to a 46.0 kg increase in a bench press 1-rep max (compared to a 26.4 kg increase for the placebo group)
  • Mimics GABA within your central nervous system [5]. GABA is the main inhibitory neurotransmitter in your brain to calm the noise.
  • This specific action physically slows down racing thoughts, helping you to focus more easily and also fall asleep faster later in the day. It also significantly improves deep sleep quality.

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Shilajit Benefits

Severe stress drains your body's energy reserves, causing stress and fatigue. Shilajit fuels your mitochondria (the energy engines in our body) directly instead of masking exhaustion with false stimulation. 

  • Shilajit contains high levels of fulvic acid, which shuttles trace minerals straight into your cells to boost ATP production. Useful in the gym for those extra reps and muscle strength.
  • Clinical trials show that taking 500mg of purified resin daily reduces fatigue severity scores by 32.4% in just 28 days [14].
  • A high-quality shilajit supplement provides clean energy, consistently, without the adrenal crash that follows caffeine consumption.
  • Shilajit supplementation boosts testosterone naturally by 20.45% (total) and free testosterone by 19.14% in clinical studies.

It's even more essential to choose the best shilajit brands when deciding on this supplement because unpurified shilajit can contain heavy metals or low fulvic acid levels. 

Be sure to request lab-tests. Solvara provides dual testing for their batches of pure shilajit resin. If a brand doesn't have lab tests...RUN!

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Shatavari Benefits

Shatavari protects your reproductive system from the crushing effects of chronic anxiety. Heavy stress spikes cortisol and subsequently suppresses sex hormones in both men and women.

  • Shatavari helps the body regulate the hypothalamic-pituitary-gonadal (HPG) axis to balance hormones
  • For women, 100mg daily drops menopause-related sleep problems by over 93%, reduced hot flashes and drastically reduced systemic anxiety [15].
  • For men's health, polyherbal supplement blends containing both ashwagandha and shatavari root extract increase testosterone by 46.5% over 90 days by shielding the testes from oxidative stress [16].

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Moringa Benefits

Prolonged stress causes severe internal inflammation and drains your nutrient reserves. Moringa leaves act as a massive nutritional safety net and antioxidant shield.

  • The moringa plant acts as an antiinflammatory and suppresses inflammatory pathways like NF-κB and significantly lowers C-reactive protein, a primary marker of systemic inflammation [17].
  • Moringa provides the essential amino acids and vitamins your brain needs to repair neural pathways damaged by prolonged cortisol exposure.

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Rhodiola Rosea Benefits

Rhodiola rosea may actively reverse chronic burnout and mental exhaustion.

  • An open-label clinical trial using 400mg of Rhodiola extract (WS® 1375) demonstrated massive improvements in patients suffering from prolonged fatigue [1]. The most significant changes occurred after just one week.
  • The herb increases the availability of serotonin and dopamine in the brain [6]. This sharpens your focus. It entirely prevents the typical afternoon energy slump.

Siberian Ginseng Benefits

Siberian ginseng may increase physical endurance and limit immune system suppression during high stress [7]. The active compounds inside the root are called eleutherosides.

  • Inhibit inflammatory pathways like NF-κB [8]. 
  • Professional athletes use it to train harder without getting sick. It does not act as a central nervous system stimulant like amphetamines or caffeine. It simply raises the threshold at which your muscles and brain register physical exhaustion.

Schisandra Berry Benefits

Schisandra chinensis may protect your liver and neurological tissue from severe oxidative stress. Heavy psychological stress generates free radicals that destroy healthy cells. Lignans like schisandrin B found in these berries neutralise these exact threats [9].

  • Enhance your mitochondrial antioxidant status. 
  • Protects brain tissue during periods of low oxygen or high metabolic demand [10]. 
  • Prevents the long-term memory degradation typically associated with chronic stress.
  • May protect liver

 

Adaptogens Vs. Traditional Stimulants

Adaptogens aren't comparable to coffee or energy drinks. They act on entirely different biological systems. 

Stimulants force your adrenal glands to empty their reserves. Adaptogens stop the adrenal glands from overworking in the first place, enhancing your overall wellbeing as part of a healthy lifestyle.

Feature Caffeine Adaptogens
Energy Source Spikes adrenaline and cortisol Increases cellular ATP production (e.g. Shilajit) [14]
Crash Potential High (rebound fatigue) None
Anxiety Levels Increases nervous jitters Reduces systemic anxiety (e.g. Ashwagandha) [2]
Sleep Impact Disrupts deep sleep phases Improves total sleep quality [5]
Mechanism Central nervous system stimulant HPA axis modulator [3]

 

How to Dose and Take Adaptogens Safely

Correct Adaptogen Dosages

You need precise, clinically validated amounts to see actual physical changes. Do not guess your dosage. Eyeballing powders guarantees failure.

  • Ashwagandha: 300mg to 600mg daily [2].

  • Shilajit: 250mg to 500mg of purified shilajit resin daily [14] (check out our detailed guide for more a deeper dive into shilajit dosing)

  • Shatavari: 100mg to 1000mg of standardised shatavari root extract daily, depending on your physical goals [15].

  • Moringa: 2 grams to 7 grams of moringa leaf powder daily mixed into food or liquids [18].

  • Rhodiola Rosea: 200mg to 400mg daily [1].

  • Siberian Ginseng: 300mg to 500mg daily [8].

  • Schisandra: 100mg to 200mg of concentrated extract daily [10].

Buy a cheap milligram scale to weigh your powders or resins. Better yet, Solvara's 100% organic and lab-tested products like shilajit come with a marked measuring spoon for accurate dosing.

Capsules are also an option if they're lab-tested. For example, a product claiming to contain Rhodiola is useless if it does not specify the exact rosavin and salidroside content on the back label.

Supplement Cycling

You must cycle adaptogens to stop your body from building a tolerance. Take them for six weeks. Stop completely for two weeks. This off-period clears your cellular receptors. When you start taking the herbs again, they trigger the same strong metabolic response as day one [4].

Daily Timing

It's best to take adaptogens that are stimulating in the morning, and relaxing herbs at night.

  • Shilajit, Rhodiola, and Siberian ginseng fuel cellular metabolism and might keep you awake if taken after 4 PM.
  • Ashwagandha and Shatavari promote deep relaxation. They are highly effective when taken an hour before bed to lower evening cortisol and balance hormones [5, 15].

 

Adaptogen Drug Interactions

Disclaimer This information is not intended to take the place of medical advice. Always consult with your doctor or medical professional before using any supplements.

Thyroid Medication

  • Ashwagandha may stimulate thyroid hormone production to unsafe levels if you have hyperthyroidism [11].
  • Standard doses can artificially spike your T3 and T4 levels if you already take levothyroxine. This triggers heart palpitations and severe sweating.

Avoid it entirely if your thyroid already runs hot or consult with your doctor before using these herbs.

Blood Sugar Medications

Siberian ginseng, Moringa, and ashwagandha may lower fasting blood glucose levels significantly [12, 17].

  • If you take metformin or inject insulin, adding these herbs could drop your blood sugar dangerously low.
  • You must monitor your glucose daily. Consult an endocrinologist before mixing them.

Immunosuppressants

Adaptogens may actively boost your immune response, triggering flare-ups in autoimmune conditions [13].

  • If you have a disease like lupus or rheumatoid arthritis, immunostimulation from some adaptogen may cause joint pain.
  • Patients taking drugs to suppress their immune system after an organ transplant must strictly avoid Siberian ginseng and Schisandra.

 

Next Steps For Managing Stress With Adaptogenic Herbs

Throwing pills at a terrible lifestyle won't fix your burnout. You need a solid foundation.

Adaptogens work best when paired with eight hours of sleep, proper hydration, and heavy resistance training. They give your nervous system the breathing room it needs to recover.

Identify which specific stressor ruins your day. If you cannot sleep or need to calm the anxiety of a racing mind, use Solvara's 100% organic, lab-tested ashwagandha root powder.

If your physical energy is completely depleted, use shilajit.

Customise your approach based on the clinical data. Stop buying generic stress blends that vastly underdose every single ingredient.

Buy isolated, high-quality, clinically dosed extracts or shilajit resins which are lab-tested, like Solvara. Measure your doses accurately and watch how your body adapts to your new high performance.

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References

[1] Goyvaerts B, et al. Rhodiola rosea in Subjects with Prolonged or Chronic Fatigue Symptoms: Results of an Open-Label Clinical Trial. Complement Med Res. 2017;24(1):46-52.

[2] Chandrasekhar K, Kapoor J, Anishetty S. A prospective, randomized double-blind, placebo-controlled study of safety and efficacy of a high-concentration full-spectrum extract of Ashwagandha root in reducing stress and anxiety in adults. Indian J Psychol Med. 2012;34(3):255-62.

[3] Panossian A, Wikman G. Evidence-based efficacy of adaptogens in fatigue, and molecular mechanisms related to their stress-protective activity. Curr Clin Pharmacol. 2009;4(3):198-219.

[4] Panossian A, et al. Effects of Adaptogens on the Central Nervous System and the Molecular Mechanisms Associated with Their Stress—Protective Activity. Pharmaceuticals (Basel). 2010;3(1):188-224.

[5] Cheah KL, Norhayati MN, Husniati Yaacob L, Abdul Rahman R. Effect of Ashwagandha (Withania somnifera) extract on sleep: A systematic review and meta-analysis. PLoS One. 2021;16(9):e0257843.

[6] Spasov AA, Wikman GK, Mandrikov VB, Mironova IA, Neumoin VV. A double-blind, placebo-controlled pilot study of the stimulating and adaptogenic effect of Rhodiola rosea SHR-5 extract on the fatigue of students caused by stress during an examination period with a repeated low-dose regimen. Phytomedicine. 2000;7(2):85-89.

[7] Davydov M, Krikorian AD. Eleutherococcus senticosus (Rupr. & Maxim.) Maxim. (Araliaceae) as an adaptogen: a closer look. J Ethnopharmacol. 2000;72(3):345-393.

[8] Ahn J, et al. Eleutherococcus root: a comprehensive review of its phytochemistry and pharmacological potential in the context of its adaptogenic effect. Front Pharmacol. 2025;16:1683795.

[9] Ko KM, et al. Schisandrin B enhances cerebral mitochondrial antioxidant status, and protects against cerebral ischemia/reperfusion injury in rats. Mol Cell Biochem. 2008;314(1-2):113-120.

[10] Pan SY, et al. Schisandrin B protects against gentamicin-induced nephrotoxicity in rats. Toxicol Lett. 2008;182(1-3):62-67.

[11] Kamal HI, Patel K, Brdak A, Heffernan J, Ahmad N. Ashwagandha as a Unique Cause of Thyrotoxicosis Presenting With Supraventricular Tachycardia. Cureus. 2022;14(3):e23494.

[12] Durg S, Bavage S, Shivaram SB. Withania somnifera (Indian ginseng) in diabetes mellitus: A systematic review and meta-analysis of scientific evidence from experimental research to clinical application. Phytother Res. 2020;34(5):1041-59.

[13] Davis L, Kuttan G. Immunomodulatory activity of Withania somnifera. J Ethnopharmacol. 2000;71(1-2):193-200.

[14] Keller JL, Housh TJ, Hill EC, Smith CM, Schmidt RJ, Johnson GO. The effects of Shilajit supplementation on fatigue-induced decreases in muscular strength and serum hydroxyproline levels. J Int Soc Sports Nutr. 2019;16(1):3.

[15] Gudise VS, Dasari MP, Kuricheti SSK. Efficacy and Safety of Shatavari Root Extract for the Management of Menopausal Symptoms: A Double-Blind, Multicenter, Randomized Controlled Trial. Cureus. 2024.

[16] A Randomized, Multicenter, Double-Blind, Placebo-Controlled Clinical Trial to Assess the Efficacy and Safety of a Polyherbal Formulation in Men With Erectile Dysfunction. PMC. 2024.

[17] Vergara-Jimenez M, Almatrafi MM, Fernandez ML. Bioactive components in moringa oleifera leaves protect against chronic disease. Antioxidants. 2017;6(4):91.

[18] Stohs SJ, Hartman MJ. Review of the safety and efficacy of Moringa oleifera. Phytother Res. 2015;29(6):796-804.

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