Search peptides — top sellers first
Search peptides — top sellers first
Search peptides — top sellers first
Chelated zinc bisglycinate for immune function, protein synthesis, and skin integrity.
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Zinc Bisglycinate · mg
Frequently bought together
Researchers usually add these to complete the protocol.
Vitamin C · mg
Popular · Foundation
L-Theanine · mg
Recovery
Vitamin D3 + K2 · mg
Foundation
Certificate of analysis
We don't publish a brand-wide spec sheet and call it a “COA.” The certificate you receive references the actual lot number stamped on your vial — with the raw chromatograms attached.
Vantage Analytical
Independent analytical lab
Certificate of Analysis
RESULT · PASS
Analytical results
HPLC Chromatogram
Purity
Know your compound
Zinc is a trace mineral your body uses as a structural and catalytic part of hundreds of enzymes. It also holds together zinc-finger proteins, which grip DNA during transcription. Your body keeps no dedicated zinc store, so status depends on regular intake from food. This form binds zinc to two glycine molecules, a chelate studied for absorption and stomach tolerance.
Zinc's role in immune signaling is well mapped at the biochemical level, but the human trials tell a narrower story. Clinical effects are clearest in people who start with low status; benefits in the already-replete are not well demonstrated. The literature also covers absorption and copper interference, which is why dose choice matters.
For research use only — not for human or veterinary use.
The research
The published findings behind this compound — the headline numbers, in plain terms, each cited to source. Preclinical results are directional (animal / in-vitro) and shown for context, not as therapeutic claims.
Published research on the reference compound class. Provided for scientific context only — not a claim about the product supplied.
In a randomised trial in children with acute diarrhoea, those given zinc recovered faster than the control group — a benefit seen mainly where zinc status matters most.
Symptom duration; exact figures not reproduced in source.
In postmenopausal women, citrated zinc bisglycinate was measurable in the blood at steady state — though it was dosed within a combination formula, so its isolated numbers can't be separated out.
Directional only; zinc parameters not separable from co-dosed genistein and cholecalciferol.
In a laboratory study of human sperm, cofactors of the 1-carbon cycle including zinc were associated with directional changes in sperm functionality — an in-vitro signal only, not a human supplementation outcome.
Directional; no precise magnitudes reported and zinc not isolated.
Mechanism
Zinc is studied through three distinct routes by which it participates in normal cell function.
Zinc sits in the active site of hundreds of enzymes, where it is involved in reactions from digestion to antioxidant defense.
Zinc-finger proteins fold around a zinc ion to bind DNA, a step studied for its role in normal cell division and protein synthesis.
Zinc contributes to the normal development and signaling of immune cells, which is why low status is studied in immune contexts.
For research use only. Mechanisms described reflect published preclinical and clinical literature.
The process
Synthesized
Produced under controlled manufacturing with documented, repeatable processes.
HPLC purity
An independent lab reports the exact purity of every lot — a number, never a 'passes'.
Mass-spec identity
Molecular weight confirms the exact sequence is what the label says.
COA published
The certificate is posted to the open library, by lot, before the vial ships.
Best sellers
FAQ
Common questions about Zinc Bisglycinate
The COA guarantee
Have any lot independently re-tested. If the results don't match the published certificate, we refund the order in full — no returns, no questions.
Order with coverThird-party tested
An independent, accredited lab — no commercial interest in the result.
A COA on every lot
A lot-specific certificate ships with each vial, archived by batch.
Test it yourself → refund
Re-test any batch at any lab. A mismatch is a full refund.
