Mega L-Ergothioneine – Advanced antioxidant for healthy aging and cell support

Mega L-Ergothioneine is a high-quality dietary supplement that supplies 25 mg of L-ergothioneine per capsule, an amino acid-like substance that is found naturally in certain foods such as mushrooms, but which the body does not produce itself. This product is designed to support overall well-being and healthy aging by protecting cells from oxidative stress, in a bioavailable form that is easily absorbed and retained by the body. It also includes 5mg of vitamin C for added support, and is formulated in vegetarian capsules with no GMOs, gluten or animal ingredients. With 30 capsules per container, it offers a month's supply for daily use, and can be integrated into a robust health and aging regimen for adults looking to promote cellular health and antioxidant protection. The product is manufactured in the USA in a GMP-approved facility with globally sourced ingredients, and is free of the nine major allergens.

Health effects

• Can protect cells against oxidative stress

• Supports healthy aging and cellular integrity

• Promotes cardiovascular health

• Contributes to better cognitive function

• Can improve sleep quality

• Supports skin health and UV protection

• Reduces inflammation and promotes immunity

• Contributes to joint and metabolic health

• Protects the nervous system and brain

• Potentially positive effect on mood, stress and energy level

Main features and surprising effect

Two main documented functions:

1. Powerful antioxidant that protects cells against oxidative stress

2. Supports healthy aging and contributes to overall cellular health

Less known effect: May improve cognitive performance and sleep quality in sleep deprivation, based on recent research.

Technical details and specifications

Ingredients: Maltodextrin, vegetable cellulose (capsule), rice bran extract, silica, microcrystalline cellulose. Active ingredients: Vitamin C (from ascorbyl palmitate) 5 mg (6% RI), ErgoActive® L-Ergothioneine 25 mg. Capsules per box: 30 Recommended use: 1 capsule daily, with or without food. Manufactured in the USA in a GMP certified facility. Allergen-free: Yes. Vegetarian, gluten-free, non-GMO.

Reservation

Allowed to be used by adults. All use of supplements is at your own risk and should be done in consultation with a doctor. The recommended daily dose should not be exceeded. The effect of this product may vary from person to person. Dietary supplements should not replace a varied diet. Should be kept out of the reach of children. Uno Vita AS does not claim that the products we market can cure disease.

Disclaimer

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Scientific references

1. Safety of synthetic L-ergothioneine (EFSA Panel, 2016)

2. Statement on safety of synthetic L-ergothioneine (EFSA, 2017)

3. Ergothioneine: Antiaging, Vascular, and Neuroprotective Roles? (Beelman et al., 2022)

4. An underrecognized dietary micronutrient for ageing? (Ames, 2023)

5. Ergothioneine: recent developments (Hall et al., 2021)

6. Ergothioneine & brain support (ADDF, 2023)

7. Prospects as anti-ageing compound (Cheah et al., 2022)

8. Natural antioxidant against oxidative stress (Borodina et al., 2022)

9. Diet-derived antioxidant with therapeutic potential (Paul et al., 2018)

10. Supplementation in metabolic syndrome (Kato et al., 2021)

11. Ergothioneine in food supply (Beelman et al., 2021)

12. Effects on skin moisturizing (Frontiers in Medicine, 2024)

13. Ergothioneine: Side Effects and Uses (WebMD)

14. Administration to healthy subjects (Cheah et al., 2017)

15. Mushroom-derived medicine (Cheah et al., 2021)

16. Cognitive function & health span (NutraIngredients, 2025)

17. Biology of ergothioneine (Halliwell et al., 2020)

18. Health consequences of higher intake (Beelman et al., 2021)

19. Red blood cell biology review (D'Onofrio et al., 2024)

20. Alzheimer's Drug Discovery Foundation data (updated)

21. A Mushroom-Derived Compound That Could Change Your Life (Gavin Publishers)