SKU: 69057244925

L-Ergothioneine - 25 mg, 30 capsules

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Description

L-Ergothioneine - 25 mg, 30 capsulesErgothioneine is a powerful amino acid that helps fight the signs of aging and supports numerous aspects of health. Supports longevity by aiding in telomere length maintenence 1 Combats oxidative stress in the brain to support cognition 2 Protects the heart and is associated with reduced cardiovascular mortality 3 View Certificate of Analysis Research Supported Benefits: Supports Longevity. Research shows that ergothioneine supports longevity by

Ergothioneine is a powerful amino acid that helps fight the signs of aging and supports numerous aspects of health.

  • Supports longevity by aiding in telomere length maintenence 1
  • Combats oxidative stress in the brain to support cognition 2
  • Protects the heart and is associated with reduced cardiovascular mortality 3

View Certificate of Analysis

Research-Supported Benefits:

Supports Longevity. Research shows that ergothioneine supports longevity by protecting against accelerated telomere shortening. (1) Longer telomeres are a powerful predictor of increased lifespan and healthspan. (4)

Maintains Cellular Health. Ergothioneine has been shown to reduce levels of oxidative stress. High levels of oxidative stress may contribute to DNA damage, a decline in ATP (cellular energy) production and elevated inflammatory markers. (5)

Promotes Heart Health. By reducing oxidative stress, ergothioneine exhibits powerful cardioprotective properties. Oxidative stress is associated with accelerated aging of heart cells, studies show ergothioneine reduces cardiac-related mortality risk. (6)

Enhances Brain Health. Low levels of ergothioneine are correlated with neurodegeneration and cognitive impairment. (7) Animal studies have found that administration of ergothioneine improves markers of memory and mood. (8)

Improves Performance. Research suggests ergothioneine may improve markers associated with fitness and muscle health. One study found that administration ergothioneine to mice increased time to exhaustion during aerobic activity and enhanced protein synthesis post-exercise. (9)

References:

1. Samuel P, Tsapekos M, de Pedro N, Liu AG, Casey Lippmeier J, Chen S. Ergothioneine Mitigates Telomere Shortening under Oxidative Stress Conditions. J Diet Suppl. 2022;19(2):212-225. doi:10.1080/19390211.2020.1854919

2. Wijesinghe P, Whitmore CA, Campbell M, et al. Ergothioneine, a dietary antioxidant improves amyloid beta clearance in the neuroretina of a mouse model of Alzheimer's disease. Front Neurosci. 2023;17:1107436. Published 2023 Mar 14. doi:10.3389/fnins.2023.1107436

3. Dare A, Elrashedy AA, Channa ML, Nadar A. Cardioprotective Effects and in-silico Antioxidant Mechanism of L-Ergothioneine in Experimental Type-2 Diabetic Rats. Cardiovasc Hematol Agents Med Chem. 2022;20(2):133-147. doi:10.2174/1871525719666210809122541

4. Heidinger BJ, Blount JD, Boner W, Griffiths K, Metcalfe NB, Monaghan P. Telomere length in early life predicts lifespan. Proc Natl Acad Sci U S A. 2012;109(5):1743-1748. doi:10.1073/pnas.1113306109

5. Fu TT, Shen L. Ergothioneine as a Natural Antioxidant Against Oxidative Stress-Related Diseases. Front Pharmacol. 2022;13:850813. Published 2022 Mar 18. doi:10.3389/fphar.2022.850813

6. Smith E, Ottosson F, Hellstrand S, et al. Ergothioneine is associated with reduced mortality and decreased risk of cardiovascular disease. Heart. 2020;106(9):691-697. doi:10.1136/heartjnl-2019-315485

7. Wu LY, Kan CN, Cheah IK, et al. Low Plasma Ergothioneine Predicts Cognitive and Functional Decline in an Elderly Cohort Attending Memory Clinics. Antioxidants (Basel). 2022;11(9):1717. Published 2022 Aug 30. doi:10.3390/antiox11091717

8. Ishimoto T, Kato Y. Ergothioneine in the brain. FEBS Lett. 2022;596(10):1290-1298. doi:10.1002/1873-3468.14271

9. Fovet T, Guilhot C, Delobel P, Chopard A, Py G, Brioche T. Ergothioneine Improves Aerobic Performance Without Any Negative Effect on Early Muscle Recovery Signaling in Response to Acute Exercise. Front Physiol. 2022;13:834597. Published 2022 Feb 9. doi:10.3389/fphys.2022.834597

  • Ergothioneine is an amino acid that your body is unable to make on its own but can be obtained from eating foods such as certain types of mushrooms and organ meat.
  • As you age, levels of ergothioneine decline in the body, potentially contributing to a decline in cellular, brain, heart, and muscle health.
  • Ergothioneine is absorbed in the small intestine and transported throughout the body via a specific transporter known as the Organic Cation Transporter 1 (OCTN1). This transporter is highly selective for ergothioneine, allowing it to enter cells efficiently.
  • Once inside the cells, ergothioneine primarily exerts its effects as a potent antioxidant. It works by donating electrons to neutralize harmful free radicals and reactive oxygen species (ROS) that are generated during normal cellular metabolism and in response to environmental stressors.
  • Administration of ergothioneine in animal studies has been shown to reduce oxidative stress, mediate inflammatory markers, and promote cellular, brain, and heart health.
Supplement Facts
Serving Size: 1 Capsule
Servings Per Container: 30
Amount Per Serving %DV
L-Ergothioneine 25 mg †
† Daily Value (DV) not established
REV.08.25

  • OTHER INGREDIENTS: Hypromellose (capsule), rice flour.
  • SUGGESTED DAILY USE: Take (1) capsule per day, with or without food.
  • CAUTION: For use by healthy adults only. Please consult your physician before use if you are pregnant or nursing, under the age of 18, or are undergoing treatment for a medical condition. Do not exceed the suggested use. KEEP OUT OF REACH OF CHILDREN. Store in a cool and dry place after opening.
  • Unique Formulation. Compared to the majority of products on the market with lower doses, ProHealth's Ergothioneine contains a clinically effective dose of 25 mg of ergothioneine per serving.
  • Quality Manufacturing Practices. All of our products are manufactured in an FDA-registered, GMP-certified facility.
  • Third-Party Tested in the USA. Every batch is third-party tested in US laboratories to ensure the highest quality, purity and potency. Certificates of Analysis are available.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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Exchange/Return Notes
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  • To process your return/exchange, please contact us at [email protected]
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SKU: 69057244925

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4.7 ★★★★★
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Nena
Draper, US
★★★★★ 4
Mineral SPF with very little cast, dewy finish
Size: 1.7 Fl Oz (Pack of 1), Style: SPF 50 Liquid Drops
This is another mineral sunscreen I’ve been trying, and compared to others, it definitely leaves less of a white cast. The formula feels more fluid and lightweight, almost similar to some Japanese-style sunscreens that have a thinner, shake-and-pour consistency. It spreads easily and blends faster than thicker mineral creams. On my skin, it looks more sheer overall and doesn’t cling heavily to texture. That said, it does leave a slightly greasy or dewy finish that can feel a bit much, especially if you already have combination or oily skin. I personally need a light powder on top if I don’t want to look shiny! It offers broad-spectrum SPF 50 protection and feels gentle enough for sensitive skin. I haven’t experienced stinging around the eyes, and it layers reasonably well over moisturizer. Because it’s more liquid, I recommend applying in thin layers and allowing it a moment to settle before makeup. Overall, it’s a solid mineral sunscreen with a more elegant texture and less cast, just be aware of the dewy finish.
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Reviewed in the United States on February 24, 2026
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EP
San Leandro, US
★★★★★ 5
Non-irritating and no white residue
Size: 1.7 Fl Oz (Pack of 1), Style: SPF 50 Liquid Drops
Best sunscreen I've found for strong protection. It does not irritate my skin, is easy to apply, rubs in well, and any whiteness is gone in seconds. It is quite wet, but the dropper bottle is a good design for this product, totally avoiding any waste or mess. I still use a milder moisturizing sunscreen for everyday, but this is now my go-to for high exposure.
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Reviewed in the United States on June 3, 2026
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TASIA
Whiting, US
★★★★★ 5
Finally — A Truly Sheer Mineral Sunscreen for Dark Skin
Size: 1.7 Fl Oz (Pack of 1), Style: SPF 50 Liquid Drops
As a melanated Black woman, finding a truly sheer mineral sunscreen is usually a whole struggle, but this one from Cetaphil surprised me in the best way. It goes on sheer with no weird gray or purple cast, and it’s absolutely dark‑ and brown‑skin friendly. No irritation, no heaviness, and it’s not greasy at all. It melts into my skin so well that it feels like nothing is there. If you’ve been hunting for a mineral SPF that actually works with deeper skin tones instead of fighting against them, this is absolutely worth trying.
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Reviewed in the United States on April 22, 2026
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hope47
Pawtucket, US
★★★★★ 5
Just as good as the expensive product
Size: 1.7 Fl Oz (Pack of 1), Style: SPF 50 Liquid Drops
This product is almost exactly like the one made by a company that starts with "Clin" and rhymes with "eek". Just like the expensive product it doesn't have a lot of fillers. It is in a liquid base that is easy to spread over the skin and doesn't leave a heavy or oily residue, so you can wear it over moisturizer or rosacea medication, and/or under makeup, which is why I love it. It a fraction of the price of the other product, only $11 for 1.7oz vs $37 for 1oz, and it is more water resistant and stays on better. But there are a few things I want to share so that people have realistic expectations. This type of product is a physical sun block, which means it works by spreading a thin layer of a mineral such as Zinc Oxide or Titanium Dioxide over the skin which shields the skin from the sun's harmful radiation. This particular product contains Zinc Oxide, which is a white powder that is often used in diaper rash cream as a skin protectant. You can even ingest it as a Zinc supplement. So there is a lot of evidence supporting the safety of Zinc Oxide. This is not the case for chemical sunscreens that contain Oxybenzone, Octinoxate, Avobenzone, and the like. There is growing evidence that chemicals like these are harmful to people and the environment, specifically coral reefs. Some of these chemicals are even banned in Europe and Australia. Because of these concerns many people are moving away from chemical sunscreens and are switching to Zinc Oxide. But there is a downside to Zinc Oxide. ALL sunscreens based on Zinc Oxide and/or Titanium Dioxide cause a white cast to the skin to some extent, that is how they work. You can minimize this by spreading the product in a very thin layer, which is easier to do with this product because of the thin consistency. But the white cast is still there no matter what. If the white cast bothers you, keep in mind that it means your skin is protected. You can add tint/pigment drops to the product to cover the whitish cast, or you can put makeup, tinted moisturizer or face powder over it to disguise it, but you can't avoid the whitish cast without using chemicals that are harmful to the environment and probably people too. Keep that in mind if you decide to try this product.
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Reviewed in the United States on November 30, 2024
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Neeley Whyte
Alexandria, US
★★★★★ 5
Excellent sunscreen for fair skinned faces, but not a matte finish as claimed
Size: 1.7 Fl Oz (Pack of 1), Style: SPF 50 Liquid Drops
✅ PROS: lightweight, skincare ingredients, protects very pale/fair skin in summer desert sun, does not irritate sensitive skin, does not clog pores, hydrating, doesn’t leave a high shine look like most similar products ⛔️ CONS: does not have a matte finish as it claims (more of a satin finish), it is oil free but if you are prone to oily skin it will not prevent the oiliness from showing, can be used as a primer under makeup applications but not nearly as good as an actual cosmetics primer ⭐️ WOULD BUY AGAIN ⭐️ Cetaphil Sheer Mineral Liquid Sunscreen works great for protecting my face: I have very pale/fair skin, I can be quite sensitive to skin products (as well as having mild rosacea) but this doesn’t irritate my skin in any way, and it has never clogged my pores or caused breakouts. This sunscreen also contains skin care ingredients so it doesn’t just protect your skin but also makes it healthier. However, I do have combination skin - forehead in particular is prone to oiliness. The product claims to be a matte finish for oily skin and for under makeup application as a primer. The finish is not matte on my skin, even with a freshly cleansed face there is still some sheen - BUT it’s very subtle and a far cry from the shiny look of most other affordable sunscreens. While I can’t argue that it can be used as a primer under makeup, it doesn’t give the same quality skin prep for cosmetics the way an actual makeup primer does. Even if you are prone to oily skin as I am, I still recommend Cetaphil Sheer Mineral Liquid Sunscreen for the face. It’s great quality, and protects very pale/fair, sensitive skin very well. I live in a desert area of Southern California, and I’ve never had a burn or even hints of a burn while using this product. Be sure to follow the directions and reapply every 2 hours to keep your skin safe and healthy!
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Reviewed in the United States on December 4, 2025

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