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Zinc Picolinate 50mg
Zinc Picolinate 50mg
Brand ownership disclosure
Country Life Natural Foods (Kikkoman subsidiary)
Kikkoman Corporation (TSE: 2801, Japan)
Acquired 1993 by Kikkoman — the same Japanese conglomerate behind Kikkoman soy sauce + Del Monte Asia. Country Life brand kept intact under Kikkoman Biotech Holdings.
Regular price
$7.95 USD
Regular price
Sale price
$7.95 USD
Shipping calculated at checkout.
Quantity
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The full picture
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 →
48/100
Standard
Six-dimension breakdown
Evidence
55
Formulation
55
Manufacturing
60
Safety
45
Transparency
60
Sustainability
50
Why this scored 48/100
[Rescored — SAFETY DOWNGRADE via evidence crawl] Previous score 55 → new 48. Evidence found: Institute of Medicine (US) Panel on Micronutrients. Dietary Reference Intakes for Vitamin A, Vitamin K, Arsenic, Boron, Chromium, Copper, Iodine, Iron, Manganese, Molybdenum, Nickel, Silicon, Vanadium, and Zinc. Washington (DC): National Academies Press; 2001. Chapter on Zinc. | Willis MS, Monaghan SA, Miller ML, et al. Zinc-induced copper deficiency: a report of three cases initially recognized on bone marrow examination. Am J Clin Pathol. 2005;123(1):125-131. doi:10.1309/V6GVYW2QTYD5C5PJ. Rationale: 50 mg elemental zinc/day EXCEEDS the IOM tolerable upper intake level (40 mg/day) for adults. Chronic supplementation at 50+ mg/day causes copper deficiency, anemia, and neurologic symptoms in a subset of users, especially when taken long-term (>3 months) without concurrent copper. Country Life labels this as '50 mg elemental zinc' without a UL warning or paired copper. This is a SAFETY issue, not an efficacy issue. Recommend -7 downgrade to 48 and adding a safety warning FAQ. Would return to 55 with (a) label warning about UL and (b) recommended max duration.
Last scored: Full rubric →
Evidence & sources
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.
How to read the Evidence dimension
- 80–100: Multiple double-blind RCTs in indexed journals directly testing this product OR the exact ingredients at the exact dose.
- 60–79: Single double-blind RCT + supporting ingredient literature at the studied dose.
- 40–59: Open-label trials + ingredient literature; no product-specific double-blind evidence.
- 20–39: Ingredient literature only; no product-specific trials or trials in predatory venues.
- 0–19: No credible evidence base or unverifiable claims.
Frequently asked questions
Auto-generated from Vyvata's scoring data for this product. For general questions about the store (shipping, returns, wholesale), see the site FAQ.
What is Zinc Picolinate 50mg?
Zinc Picolinate 50mg is a product from Country Life Natural Foods, categorized under Vitamins & foundational micronutrients in the Supplements vertical. It is scored on the Vyvata Scoring Framework — an independent 6-dimension rubric applied uniformly to every product Vyvata lists.
How does Zinc Picolinate 50mg score on the Vyvata rubric?
55/100 overall — Standard tier (50–69 band). Per-dimension breakdown: Manufacturing 60, Transparency 60, Evidence 55, Formulation 55, Sustainability 50, Safety 45. Scored as of 2026-08-24.
Why did Zinc Picolinate 50mg score in the Standard tier?
50 mg zinc picolinate - well-absorbed form (Barrie 1987) at a disclosed dose, but 50 mg daily is far above the 8-11 mg RDA and long-term use risks copper deficiency and reduced HDL (UL is 40 mg). Country Life sells this via NPA A-rated GMP facility; transparency good, but safety ceiling concern caps at Standard.
What are the strongest and weakest aspects of this product?
Strongest: Manufacturing at 60/100 (third-party testing, GMP compliance, and facility audit status) and Transparency at 60/100 (dose disclosure vs proprietary blends, and honesty of marketing claims). Weakest: Sustainability at 50/100 (sourcing practices, packaging, and corporate practice) and Safety at 45/100 (adverse-event profile, interaction risk, and dose ceiling). All six dimensions feed the overall Vyvata score; a weakness on any one dimension pulls the overall down proportionally.
Is Zinc Picolinate 50mg third-party tested?
Third-party certifications on record: GMP Certified, Kosher, Halal. These contribute to the Manufacturing dimension score. Always check the current product label for the most up-to-date certification information.
Are there higher-scoring alternatives to Zinc Picolinate 50mg?
The top-ranked vitamins & foundational micronutrients product in the Vyvata catalog is currently Thorne Basic Nutrients 2/Day at 89/100. See the full ranked list of 635 scored products in this subcategory at https://vyvata.com/pages/best-vitamins-and-foundational-micronutrients-supplements-ranked.
What does the Vyvata score mean?
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.
Where can I read customer reviews for Zinc Picolinate 50mg?
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=Country%20Life%20Natural%20Foods%20Zinc%20Picolinate%2050mg),Google(https://www.google.com/search?q=Country%20Life%20Natural%20Foods%20Zinc%20Picolinate%2050mg+reviews),Reddit(https://www.reddit.com/search/?q=Country%20Life%20Natural%20Foods%20Zinc%20Picolinate%2050mg%20review),andTrustpilot(https://www.trustpilot.com/search?query=Country%20Life%20Natural%20Foods%20Zinc%20Picolinate%2050mg).Vyvatadoesnotaggregate,republish,orlicensethosethird-partyreviews.
Customer reviews
Reviews on other platforms
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.
All the data we have on this product
Every VSF-related metafield surfaced verbatim. Nothing hidden. If you spot data that looks wrong, let us know.
- VSF score
- 48 / 100
- Tier
- Standard
- Category
- Supplements
- Subcategory
- vitamins micronutrients
- Last scored
- Third-party certifications
- GMP Certified, Kosher, Halal
- Vendor
- Country Life Natural Foods
- Product type
- Vitamins & Supplements
- Tags
- Country Life Natural Foods, Shopify Collective
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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