# Chromium Glycinate

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/chromium-glycinate
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-04-04
**Evidence Score:** 2 / 10
**Category:** Mineral
**Also Known As:** Chromium bisglycinate, Glycine chromium chelate, Chromium amino acid chelate, Chelated chromium, Chromium glycine complex

## Overview

Chromium glycinate is a chelated form of the essential trace mineral chromium bound to the amino acid glycine, designed to enhance bioavailability over inorganic chromium salts. It is theorized to support insulin signaling by potentiating insulin receptor tyrosine kinase activity via the chromodulin oligopeptide pathway, though human clinical evidence remains absent.

## Health Benefits

• No clinical benefits can be verified - the research dossier contains no human trials or clinical outcome data
• Chemical stability under ordinary storage conditions suggests safe supplementation potential (evidence quality: chemical data only)
• Water solubility (2% solution appears clear) indicates potential for good absorption (evidence quality: in-vitro property)
• Chelation with glycine theoretically enhances bioavailability versus inorganic forms (evidence quality: theoretical)
• Minimum 10% w/w chromium content provides standardized dosing (evidence quality: manufacturing specification)

## Mechanism of Action

Chromium is hypothesized to activate chromodulin (also called low-molecular-weight chromium-binding substance, LMWCr), an oligopeptide that potentiates insulin receptor tyrosine kinase activity, amplifying downstream glucose transporter GLUT4 translocation to cell membranes. The glycinate chelation is intended to protect chromium ions from forming insoluble hydroxides in the gastrointestinal tract, theoretically increasing intestinal absorption compared to chromium chloride. No in vitro or in vivo mechanistic data specific to the chromium glycinate chelate form have been published to confirm these pathways operate differently than other chromium species.

## Clinical Summary

As of current available data, no published human clinical trials specifically investigate chromium glycinate as an intervention for any health outcome, including glycemic control, [body composition](/ingredients/condition/weight-management), or lipid metabolism. Related chromium chelates such as chromium picolinate have been studied in randomized controlled trials with sample sizes ranging from 20 to 200 participants, showing modest reductions in fasting glucose (approximately 1–2 mmol/L in some insulin-resistant populations), but these findings cannot be directly extrapolated to chromium glycinate. The existing dossier for chromium glycinate contains only chemical characterization data, including solubility and stability profiles, which represent the lowest tier of evidence for establishing clinical efficacy. Independent replication in well-controlled human trials is necessary before any health claims can be substantiated for this specific chelate form.

## Nutritional Profile

Chromium Glycinate is a chelated mineral complex in which trivalent chromium (Cr³⁺) is bound to the amino acid glycine, typically in a 1:2 or 1:3 metal-to-ligand ratio. Key nutritional details: • **Chromium content**: Approximately 12–14% elemental chromium by weight (varies by manufacturer; e.g., a compound with molecular weight ~238–311 g/mol depending on hydration and stoichiometry yields roughly 52 mg Cr per ~400 mg of chelate). • **Glycine content**: Approximately 55–65% by weight, providing a modest source of the non-essential amino acid glycine (~150–260 mg per typical serving of chelate). • **No macronutrients**: Negligible calories, no fat, no fiber, no carbohydrates in supplemental doses. • **No vitamins or additional micronutrients**: The compound delivers only chromium and glycine. • **Typical supplemental dose**: Products generally standardize to 200–1000 µg elemental chromium per serving (aligned with common chromium supplement dosing; adequate intake for adults is 25–35 µg/day per IOM guidelines). • **Bioactive compound**: Trivalent chromium (Cr³⁺) is the biologically relevant oxidation state, proposed to participate in chromodulin (low-molecular-weight chromium-binding substance) activity related to insulin signaling. • **Bioavailability notes**: Chelation with glycine is intended to improve absorption over inorganic chromium salts (e.g., chromium chloride, ~0.4–2% absorption). The glycinate chelate form theoretically enhances intestinal uptake via amino acid transport pathways, with estimated absorption potentially in the range of 2–8%, though robust human pharmacokinetic data specific to chromium glycinate are limited. Water solubility (clear at 2% solution concentration) supports dissolution in the GI tract, a prerequisite for absorption. Compared to chromium picolinate (~2–5% absorption) or chromium nicotinate, glycinate chelation may offer comparable or modestly improved bioavailability, but direct head-to-head human bioavailability studies are scarce. • **Safety note**: Delivers chromium in the trivalent (Cr³⁺) form, which has a wide margin of safety; no tolerable upper intake level has been established by the IOM due to low toxicity risk at supplemental doses.

## Dosage & Preparation

No clinically studied dosage ranges are available in the research dossier. The product contains a minimum of 10% w/w total chromium and 6% w/w total nitrogen. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Chromium glycinate has no published human safety or toxicology trials, though chromium as a mineral is generally recognized as having low acute toxicity at supplemental doses, with tolerable upper intake levels not formally established by the Institute of Medicine due to insufficient adverse event data. High-dose chromium supplementation across all forms has been associated with rare reports of renal and hepatic dysfunction, [cognitive](/ingredients/condition/cognitive) impairment, and potential DNA damage via oxidative mechanisms at supraphysiological concentrations. Chromium may interact with insulin and oral hypoglycemic agents such as metformin by additively lowering [blood glucose](/ingredients/condition/weight-management), increasing hypoglycemia risk, and may reduce the absorption of [thyroid](/ingredients/condition/hormonal) medications including levothyroxine if taken concurrently. Pregnant and breastfeeding individuals should avoid supplemental chromium glycinate beyond established adequate intake levels (30 mcg/day for pregnant adults) due to the complete absence of safety data for this specific chelate form.

## Scientific Research

The research dossier contains no clinical trials, randomized controlled trials, meta-analyses, or PubMed PMIDs evaluating chromium glycinate's clinical efficacy in humans. The available data consists solely of chemical structure and synthesis information for tris(glycinato)chromium(III) complexes, without any therapeutic effectiveness data or clinical outcome measures.

## Historical & Cultural Context

The research dossier contains no information about historical or traditional use of chromium glycinate in any medical system. The compound appears to be a modern chelated supplement form without documented traditional medicine applications.

## Synergistic Combinations

Insufficient research data to recommend synergistic ingredients

## Frequently Asked Questions

### What is chromium glycinate used for?

Chromium glycinate is marketed primarily as a bioavailable chromium source intended to support blood glucose regulation and insulin sensitivity. It is theorized to activate the chromodulin oligopeptide pathway that potentiates insulin receptor signaling, but no human clinical trials have confirmed these effects for the glycinate chelate specifically. Most consumer use is based on extrapolation from research on other chromium forms such as chromium picolinate.

### Is chromium glycinate better absorbed than chromium picolinate?

Chromium glycinate uses glycine as a chelating ligand to theoretically protect chromium ions from precipitation in the alkaline intestinal environment, which could improve absorption compared to inorganic chromium chloride. However, no published comparative bioavailability studies directly measure chromium glycinate absorption against chromium picolinate or other chelated forms in human subjects. Without pharmacokinetic data such as Cmax, Tmax, or AUC comparisons, superiority claims remain unsubstantiated.

### What is the recommended dosage of chromium glycinate?

No clinically established dosage has been determined for chromium glycinate because human dose-ranging or efficacy trials have not been conducted. The adequate intake for elemental chromium in adults is 25–35 mcg per day, and most chromium supplements are formulated to deliver 200–1000 mcg of elemental chromium daily in research contexts using other forms. Consumers should account for elemental chromium content rather than total chelate weight when evaluating dosage on supplement labels.

### Does chromium glycinate help with weight loss?

There is no clinical evidence specific to chromium glycinate supporting weight loss outcomes. Studies on chromium picolinate have shown statistically marginal effects on body weight reduction, typically less than 1 kg difference versus placebo in trials lasting 8–16 weeks, which many researchers consider clinically insignificant. Until chromium glycinate is studied in controlled human trials with body composition endpoints, weight loss claims cannot be made for this form.

### Is chromium glycinate safe to take daily?

Chromium glycinate has not been evaluated in published human safety trials, so a definitive daily safety profile cannot be established for this chelate form. General chromium supplementation at doses up to 1000 mcg elemental chromium per day has been used in short-term research studies without widespread serious adverse events, though isolated case reports link high-dose chromium to renal toxicity and oxidative DNA stress. Individuals with kidney disease, liver conditions, or those taking insulin or hypoglycemic medications should consult a physician before supplementing with any chromium form.

### What is the difference between chromium glycinate and other chromium chelate forms?

Chromium glycinate is bound to the amino acid glycine, which theoretically enhances absorption compared to inorganic chromium salts by utilizing amino acid transporters in the intestine. Other chelate forms like chromium malate or chromium citrate use different compounds to bind chromium, but comparative human studies are lacking. The glycine chelation may also provide the additional benefits associated with glycine itself, such as supporting collagen and connective tissue health.

### Are there any food or supplement interactions with chromium glycinate?

Chromium glycinate may compete with other minerals for absorption when taken with large amounts of iron, zinc, or calcium supplements, so spacing doses 2+ hours apart is advisable. Certain medications like corticosteroids and some antibiotics can affect chromium status in the body, though direct interaction studies with chromium glycinate specifically are limited. Consulting a healthcare provider is recommended if taking multiple supplements or prescription medications.

### How should chromium glycinate be stored to maintain its stability?

Chromium glycinate should be stored in a cool, dry place away from direct sunlight and moisture, ideally at room temperature (below 25°C), as the glycine chelation provides good chemical stability under normal storage conditions. Keep the supplement in an airtight container to prevent oxidation and degradation over time. Proper storage helps maintain the integrity of the chelate bond and ensures supplement quality throughout its shelf life.

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*Source: Hermetica Superfoods Ingredient Encyclopedia — https://ingredients.hermeticasuperfoods.com*
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