Optimum Nutrition
THE BIOHACKING STANDARD
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Everything Vyvata knows about this product — the score, the evidence, the FAQ, and where else to find shopper reviews. No hidden data. Every vendor is scored on the same published rubric — no brand can pay for placement. Read the rubric →
Fisetin sourced from Cyvex Nutrition's Novusetin — a branded 98%+ fisetin extract, which is a genuine quality signal and moves this above generic strawberry-extract fisetin SKUs. Fisetin is one of the more promising senolytic candidates (Yousefzadeh 2018 preclinical showed senescent-cell clearance), with a Mayo Clinic phase 2 trial ongoing but no positive published human outcome data yet. Named branded sourcing at label is real transparency. Held below Elite because human efficacy evidence is still emerging (preclinical-heavy), and senolytic 'hit-and-run' dosing protocols (2 days/month) are not standardized on label. A pragmatic pick within the senolytic space.
The Vyvata score's Evidence dimension measures the quality of published RCT support for a product's active ingredients at the label dose. Our source hierarchy: double-blind RCTs in MEDLINE-indexed journals > single-blind RCTs > open-label trials > observational studies > mechanism papers > N=1 case studies (anecdotes). Predatory journals and manufacturer-authored studies without independent replication are weighted down.
Product-specific evidence citations for this item are embedded in the analysis text on the "Analysis" tab. For the full framework and evidence hierarchy, see the methodology page.
Auto-generated from Vyvata's scoring data for this product. For general questions about the store (shipping, returns, wholesale), see the site FAQ.
Fisetin Novusetin, categorized under Longevity & cellular health in the Supplements vertical. It is scored on the Vyvata Scoring Framework — an independent 6-dimension rubric applied uniformly to every product Vyvata lists.
70/100 overall — Verified tier (70–84 band). Per-dimension breakdown: Manufacturing 74, Transparency 74, Formulation 72, Evidence 68, Safety 68, Sustainability 55. Scored as of 2026-08-24.
Fisetin sourced from Cyvex Nutrition's Novusetin — a branded 98%+ fisetin extract, which is a genuine quality signal and moves this above generic strawberry-extract fisetin SKUs. Fisetin is one of the more promising senolytic candidates (Yousefzadeh 2018 preclinical showed senescent-cell clearance), with a Mayo Clinic phase 2 trial ongoing but no positive published human outcome data yet. Named branded sourcing at label is real transparency. Held below Elite because human efficacy evidence is still emerging (preclinical-heavy), and senolytic 'hit-and-run' dosing protocols (2 days/month) are not standardized on label. A pragmatic pick within the senolytic space.
Strongest: Manufacturing at 74/100 (third-party testing, GMP compliance, and facility audit status) and Transparency at 74/100 (dose disclosure vs proprietary blends, and honesty of marketing claims). Weakest: Safety at 68/100 (adverse-event profile, interaction risk, and dose ceiling) and Sustainability at 55/100 (sourcing practices, packaging, and corporate practice). All six dimensions feed the overall Vyvata score; a weakness on any one dimension pulls the overall down proportionally.
No third-party certifications (NSF, USP, ConsumerLab, or equivalent) were on record at the time of scoring. This affects the Manufacturing dimension score. The manufacturer may test internally or have obtained certification more recently — check the current product label for the most up-to-date information.
The top-ranked longevity & cellular health product in the Vyvata catalog is currently Tru Niagen - Niagen 300 mg Nikotinamid Ribosid Supplement for Anti-Aging & Cellular Energy Support - 30 Capsules at 78/100. See the full ranked list of 131 scored products in this subcategory at https://vyvata.com/pages/best-longevity-and-cellular-health-supplements-ranked.
The Vyvata Scoring Framework rates every listed product 0–100 across six dimensions: Evidence, Formulation, Manufacturing, Safety, Transparency, and Sustainability. Tier bands: Elite 85–100 (top-tier evidence + formulation + manufacturing), Verified 70–84 (strong on most dimensions), Standard 50–69 (solid but with weaknesses called out), Rejected 0–49 (specific failures documented). Rejected products remain listed with reasons. Full methodology at https://vyvata.com/pages/methodology.
The Vyvata score measures product integrity against a published rubric, not customer sentiment. For customer reviews and community discussion, search external platforms directly: Amazon (https://www.amazon.com/s?k=Fisetin%20Novusetin),Google(https://www.google.com/search?q=Fisetin%20Novusetin+reviews),Reddit(https://www.reddit.com/search/?q=Fisetin%20Novusetin%20review),andTrustpilot(https://www.trustpilot.com/search?query=Fisetin%20Novusetin).Vyvatadoesnotaggregate,republish,orlicensethosethird-partyreviews.
The Vyvata score measures product integrity against a published rubric, not customer sentiment. Vyvata does not aggregate, republish, or license third-party reviews — the links below open search pages on their respective platforms.
Every VSF-related metafield surfaced verbatim. Nothing hidden. If you spot data that looks wrong, let us know.
Every score is set from the published rubric, audit-logged, and rescored whenever new evidence emerges (published trials, updated labels, third-party testing releases). Every vendor is scored on the same criteria — no pay-to-play. See our editorial-independence disclosure for the full policy, including brands with an editorial relationship to this site.

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