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- Fulvic acid content verified at 7.86% by Verifier Labs (published certificate, July 2025)
- Combined formula: shilajit + chaga + ashwagandha + vitamins D2 and B12 in a single intake
- 100% vegan, non-GMO, vegetarian capsule with no animal gelatin
- Manufactured to GMP standards with independent quality control
- Flexible supply options with savings of up to 17% on subscription
- Precise extraction country of the shilajit within the Himalayan range not disclosed
- Product available online only, with no distribution in pharmacies or physical stores
- Unit price (£29.99/month) higher than some shilajit supplements not lab-tested
Description of the Shilajit Capsules
John Clarke Sports Nutrition is a British supplement brand based in Nottingham, led by a professional nutritionist and known for its formulas tested in an independent laboratory.
The Shilajit Capsules are an adaptogenic complex in vegetarian capsule format, combining pure Himalayan shilajit with three complementary ingredients: chaga, ashwagandha and essential vitamins. Each bottle contains 60 capsules for 30 servings. The fulvic acid content has been independently verified at 7.86% by Verifier Labs (certificate CLA004, method D-3368, July 2025), which confirms the authenticity of the raw material used.
This product is aimed at men and women looking to support their daily energy, focus and recovery. It is particularly suited to athletes, active professionals and anyone seeking to combat fatigue and maintain overall balance over the long term.
- 100% vegan and non-GMO formula
- Manufactured to GMP standards
- Certified by independent third-party laboratory analysis
- Vegetarian capsule format, with no superfluous additives
Composition of the Shilajit Capsules
Each serving corresponds to 2 capsules. Here is the full composition as published on the official site:
- Pure Himalayan shilajit: 500 mg (10:1 extract, i.e. the equivalent of 5,000 mg of raw material)
- Chaga: 250 mg (10:1 extract, i.e. the equivalent of 2,500 mg)
- Ashwagandha: 200 mg
- Vitamin D2: 20 mcg (100% of the reference daily intake)
- Vitamin B12: 50 mcg (200% of the reference daily intake)
The other ingredients are: vegetarian capsule (plant cellulose and water) and silicon dioxide. The formula contains no animal gelatin, making it compatible with a vegan diet. The combination of shilajit, chaga and ashwagandha forms a coherent adaptogenic synergy, with each active contributing to a different area according to the data published by the brand.
Origin of the raw materials
The shilajit used in this formula is of Himalayan origin, as stated on the official product page. It is a purified extract whose authenticity has been confirmed by independent laboratory analysis.
The fulvic acid content measured at 7.86% (Verifier Labs, certificate CLA004) is consistent with quality unstandardized shilajit extracts, according to the analytical commentary attached to the certificate. The precise extraction country within the Himalayan range is not detailed by the brand on the official site.
How to consume the Shilajit Capsules
The dosage recommended by John Clarke Sports Nutrition is 2 capsules per day, preferably taken in the morning with a light meal. This morning intake is advised to support energy and performance throughout the day.
Each bottle of 60 capsules corresponds to a 30-day course. The brand offers 1, 2 or 3-month supplies to make regular long-term intake easier, which is recommended with adaptogens.
A few practical points:
- Take with a glass of water or a drink during the meal
- Do not exceed the recommended daily dose
- Consult a healthcare professional in case of medical treatment, pregnancy or breastfeeding
Price and where to buy the Shilajit Capsules
The Shilajit Capsules are available exclusively online on the official John Clarke Sports Nutrition website. Here are the current prices:
- 1 month: £29.99
- 2 months: £53.98 (10% saving)
- 3 months: £76.47 (15% saving)
- Monthly subscription: £24.89/month (17% saving, minimum commitment of 2 months)
The product is not available in pharmacies or drugstores. To order, go directly to the official John Clarke Sports Nutrition website.
My review of the Shilajit Capsules
The John Clarke Sports Nutrition Shilajit Capsules stand out with a serious, well-built and transparent formula. Publishing the Verifier Labs certificate of analysis is a concrete trust argument, rare at this price level. The combination of shilajit, chaga, ashwagandha and vitamins D2 and B12 covers several areas in a single daily intake.
I recommend this product to anyone looking to incorporate a reliable adaptogenic complex into their routine, with the assurance of quality verified by an independent third party rather than taking the brand's word for it.
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John Clarke Sports Nutrition

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