Illustration: 60 vegan capsules of ProHealth Trans-Resveratrol 1000mg with absorption cofactors.
★★★★★
4.5 / 5 based on Amazon customer reviews
£29.99 on Amazon
Each two-capsule serving delivers 1000mg of pure trans-resveratrol — the biologically active isomer — plus quercetin, red wine extract, green tea extract and BioPerine black pepper extract to support absorption. 60 vegan capsules provide a 30-day supply.
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- Active: 1000mg trans-resveratrol per 2-capsule serving
- Supply: 60 vegan capsules (30 days at 2 capsules/day)
- Cofactors: Quercetin, red wine extract, green tea extract, BioPerine (black pepper extract)
- Form: Vegan capsules, no cis-resveratrol claimed
- Quality: Triple lab tested, GMP-compliant USA manufacturing
- Brand: ProHealth — 35+ years, BBB A+ rating
- Seller: Amazon
- Subscribe & Save: £26.99 (save 10%)
What Is Trans-Resveratrol?
Resveratrol is a polyphenol found in grape skin, red wine, peanuts and berries. It exists as two isomers: trans-resveratrol and cis-resveratrol. Most of the biological activity studied in longevity and cardiovascular research is attributed to the trans form. ProHealth's product is marketed as supplying 1000mg of pure trans-resveratrol per serving, with no cis-resveratrol.
Resveratrol became famous after studies showed it could activate sirtuins (particularly SIRT1) and improve mitochondrial function in cells and animals. Human evidence is much more limited, and resveratrol has poor bioavailability on its own, which is why this product adds quercetin and BioPerine to enhance uptake.
🐢 Tortoise Wisdom
"A high milligram dose of resveratrol doesn't guarantee benefits. Absorption matters, and human longevity data for resveratrol remain mixed."
Product Overview
This page describes ProHealth Trans-Resveratrol 1000mg as sold on Amazon. The product specifies a pure trans-resveratrol amount of 1000mg per serving, with added quercetin, red wine extract, green tea extract and BioPerine. We do not recommend or endorse this product; this is neutral product information only.
✅ Pros
- High dose: 1000mg trans-resveratrol per serving.
- Specifies pure trans-resveratrol, not a 50/50 cis/trans mix.
- Includes quercetin, which may slow resveratrol breakdown.
- BioPerine (piperine) can enhance absorption of polyphenols.
- Vegan capsules and triple lab tested.
- Established brand with a long track record in longevity supplements.
⚠️ Considerations
- Human evidence for resveratrol and longevity is not conclusive.
- 1000mg/day is a high dose; side effects such as digestive upset are more likely than at lower doses.
- Resveratrol can interact with blood thinners, NSAIDs and certain medications.
- Green tea extract adds caffeine, which may matter for sensitive individuals.
- The "1,544% absorption" marketing claim is likely based on specific in-vitro or proprietary studies; real-world absorption still varies by individual.
Study Dose Context
Most human metabolic trials have used resveratrol doses between 150mg and 1000mg per day. The 1000mg amount is at the higher end of the studied range. This is research data, not a recommendation. Consult the product label and a clinician before use.
⚠️ Safety Note: Resveratrol has antiplatelet activity and may increase bleeding risk when combined with anticoagulants (warfarin, apixaban), antiplatelet drugs (aspirin, clopidogrel) or NSAIDs. Stop resveratrol at least one week before surgery. If you have a hormone-sensitive condition, speak to a clinician, as resveratrol has weak phytoestrogenic activity.
What the Research Says
- Sirtuin activation: Cell and animal studies show resveratrol can activate SIRT1 and mimic some effects of calorie restriction, but human data are far weaker.
- Cardiovascular health: Some trials report improved endothelial function and reduced inflammation markers, but results are inconsistent and often use lower doses than 1000mg.
- Metabolic health: A few studies in people with type 2 diabetes or obesity found modest improvements in insulin sensitivity and glucose control, but findings are not consistent across all populations.
- Bioavailability: Plain resveratrol is rapidly metabolised. Combining it with piperine (BioPerine) or quercetin can raise blood levels, though the magnitude varies between studies.
No human trial has shown that resveratrol extends lifespan. It remains a promising but unproven longevity molecule.
Bhullar et al., 2018 — Molecules
Overview of resveratrol's pharmacokinetics and strategies to improve bioavailability, including piperine and quercetin combinations.
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Timmers et al., 2011 — Cell Metabolism
Randomised trial showing resveratrol supplementation improved mitochondrial function and metabolic health markers in obese humans.
View DOI
Wong et al., 2019 — Nutrients
Systematic Overview of resveratrol for cardiovascular risk factors, noting modest benefits for blood pressure and LDL cholesterol in some subgroups.
View DOI
Baur et al., 2006 — Nature
Landmark mouse study showing resveratrol improved healthspan and survival in high-fat-fed mice, sparking interest in sirtuin activators.
View DOI
Who This Product May Interest
- People interested in a high-dose, pure trans-resveratrol supplement from an established brand.
- Those who want added absorption support via quercetin and BioPerine.
- Individuals who already follow a polyphenol-rich diet and want a supplemental top-up.
If you are on blood-thinning medication, have a bleeding disorder or are scheduled for surgery, this product is not appropriate without medical clearance.
ProHealth vs Other Resveratrol Options
Compared with some lower-dose resveratrol capsules or red wine extract products, ProHealth specifies 1000mg of trans-resveratrol rather than a total extract weight. However, if your priority is a polyphenol blend rather than pure resveratrol, other products may offer more diverse ingredients. Pterostilbene is a methylated resveratrol analogue with higher bioavailability, but it has less published human data. See our resveratrol vs pterostilbene comparison for more detail.
Summary
ProHealth Trans-Resveratrol 1000mg is a high-dose, pure trans-resveratrol product with added absorption cofactors. The 1000mg amount is at the upper end of the studied human range. This page is product information only, not a recommendation to buy or use this supplement.
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