Optimum Nutrition
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Tongkat Ali (Eurycoma longifolia) 1300mg. Real emerging evidence for testosterone support in stressed/hypogonadal men (Talbott 2013, Henkel 2014 — 200mg standardized extract, 4-12 weeks). Held below Verified by (1) eurycomanone % standardization not disclosed — clinical trials use 200mg of standardized extract (5-15% eurycomanone content), not 1300mg of unspecified extract concentration; (2) the '1300mg' number without extract-ratio disclosure can mean anything from a mild extract to a raw powder; (3) NusaPure quality tier. Would move to Verified 70+ with eurycomanone % + reference to branded extract (LJ100/Physta) + third-party COA.
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.
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NusaPure Longjack Tongkat Ali 1,300mg 150 Veggie Caps (Non-GMO, Gluten Free) Bioperine is a product from NusaPure, categorized under Men's 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.
55/100 overall — Standard tier (50–69 band). Per-dimension breakdown: Evidence 65, Safety 62, Formulation 60, Transparency 55, Manufacturing 52, Sustainability 45. Scored as of 2026-08-24.
Tongkat Ali (Eurycoma longifolia) 1300mg. Real emerging evidence for testosterone support in stressed/hypogonadal men (Talbott 2013, Henkel 2014 — 200mg standardized extract, 4-12 weeks). Held below Verified by (1) eurycomanone % standardization not disclosed — clinical trials use 200mg of standardized extract (5-15% eurycomanone content), not 1300mg of unspecified extract concentration; (2) the '1300mg' number without extract-ratio disclosure can mean anything from a mild extract to a raw powder; (3) NusaPure quality tier. Would move to Verified 70+ with eurycomanone % + reference to branded extract (LJ100/Physta) + third-party COA.
Strongest: Evidence at 65/100 (quality of published RCT support for the active ingredients at the label dose) and Safety at 62/100 (adverse-event profile, interaction risk, and dose ceiling). Weakest: Manufacturing at 52/100 (third-party testing, GMP compliance, and facility audit status) and Sustainability at 45/100 (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.
Would move to Verified 70+ with eurycomanone % + reference to branded extract (LJ100/Physta) + third-party COA.
The top-ranked men's health product in the Vyvata catalog is currently Ritual Essential for Men 18+ at 72/100. See the full ranked list of 156 scored products in this subcategory at https://vyvata.com/pages/best-men-s-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=NusaPure%20NusaPure%20Longjack%20Tongkat%20Ali%201%2C300mg%20150%20Veggie%20Caps%20(Non-GMO%2C%20Gluten%20Free)%20Bioperine),Google(https://www.google.com/search?q=NusaPure%20NusaPure%20Longjack%20Tongkat%20Ali%201%2C300mg%20150%20Veggie%20Caps%20(Non-GMO%2C%20Gluten%20Free)%20Bioperine+reviews),Reddit(https://www.reddit.com/search/?q=NusaPure%20NusaPure%20Longjack%20Tongkat%20Ali%201%2C300mg%20150%20Veggie%20Caps%20(Non-GMO%2C%20Gluten%20Free)%20Bioperine%20review),andTrustpilot(https://www.trustpilot.com/search?query=NusaPure%20NusaPure%20Longjack%20Tongkat%20Ali%201%2C300mg%20150%20Veggie%20Caps%20(Non-GMO%2C%20Gluten%20Free)%20Bioperine).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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