Chromium
Compiled from published pharmacological and botanical literature. Not independently verified by Herbuno. Spotted an error or have a correction? Flag it below →
| Compound Class | Trace element; trivalent chromium (Cr3+) is the nutritionally relevant species |
| Botanical Source | Moringa leaf (Moringa oleifera) — Sahjan; chromium native to the leaf matrix |
| Standardisation | 0.1% (1000 ppm) chromium by ICP-MS; trivalent species |
| Comparator Forms | Chromium picolinate, chloride, nicotinate; chromium-enriched yeast |
| Solubility / Format | Fine powder; ppm-scale dosing requires dilution and validated blend uniformity |
| Regulatory Note | EU NRV established; essentiality itself has been questioned by EFSA — see Evidence |
| Buy from Herbuno | Moringa Leaf 0.1% |
| Origin | Processed / Sourced from India |
| MOQ | R&D 100 g / 250 g (subject to stock) · Pilot batch 1–5 kg · Bulk 10 kg, 25 kg and above |
| Lead Time | Dispatch within 72 hrs from stock · fresh-batch production (typically 50 kg+): 10 working days |
| Documentation | CoA & MSDS standard with every lot; phytosanitary on request |
Name origin: Chromium takes its name from the Greek chroma, colour, for the vividly coloured compounds it forms — chrome yellow and chrome green were significant industrial pigments long before any biological role was suspected. Vauquelin isolated it in 1797. The distinction that matters nutritionally is oxidation state: trivalent chromium is the dietary species, while hexavalent chromium is a recognised carcinogen and an industrial contaminant, and the two should never be discussed interchangeably.
Traditional use: Chromium has no traditional-medicine record. Moringa, the source material, has an extensive one — Moringa oleifera leaf, pod and seed appear across Ayurvedic and African ethnomedical practice and the leaf is a staple food green through much of South Asia and the Sahel. Its mineral density, chromium included, is a modern analytical observation about a long-established food plant rather than the basis of its traditional use.
Research trajectory: Chromium's nutritional story is unusual in running backwards. It was proposed as essential in the 1950s following the identification of a glucose tolerance factor, was assigned dietary reference values, and generated a substantial supplement category around glycaemic control. Subsequent work failed to identify a definitive chromium-dependent enzyme or protein, and European authorities have since concluded that chromium is not essential in humans. This is one of the few nutrients where the scientific direction of travel has been toward demotion.
Commercial source: Supplemental chromium is dominated by chromium picolinate, with chloride, nicotinate and chromium-enriched yeast also in use. Plant-derived chromium presents the trivalent element within a food matrix. Given the evidence position set out below, the honest commercial basis for any chromium ingredient is clean-label formulation completeness rather than a functional claim.
Evidence for Chromium Applications
Trivalent chromium has been proposed to potentiate insulin action, historically through a chromium-binding oligopeptide, and this is the mechanistic basis of the supplement category. It is worth stating clearly that this mechanism remains incompletely characterised: no chromium-dependent enzyme has been definitively identified in humans, which is a substantial gap for a purportedly essential trace element. Claim strength: Emerging.
The clinical evidence has been examined systematically and does not support the marketing. A meta-analysis of randomised controlled trials examining glucose and insulin responses to dietary chromium supplements found no association between chromium and glucose or insulin concentrations in non-diabetic subjects, with the data for people with diabetes described as inconclusive. [Althuis 2002] For an ingredient sold almost entirely on glycaemic positioning, that is the central finding and it should not be buried. Claim strength: High.
Later controlled work reinforced this. A randomised trial evaluated chromium picolinate at 500 and 1,000 µg daily over six months against placebo, using direct measures of insulin sensitivity rather than surrogate endpoints. [Ali 2011] Studies of this design carry more weight than the observational and open-label reports that populate much of the commercial literature, and they have not established the effect the category claims. Claim strength: Moderate.
Regulatory bodies have drawn the corresponding conclusion. European authorities have concluded that chromium is not an essential nutrient for humans, and have not established dietary reference values on that basis, while other jurisdictions retain an adequate intake figure. Buyers formulating for multiple markets should be aware that the ingredient's regulatory standing genuinely differs between them, which is unusual for a mineral and affects both label and claim strategy. Claim strength: High.
The remaining honest commercial rationale is compositional. Chromium appears in multivitamin and multimineral formulas by convention and by retailer expectation, and where a clean-label or whole-food positioning is required, a botanical chromium source serves that purpose where a synthetic picolinate does not. That is a formulation-completeness and label argument, and we would rather state it as such than attach a glycaemic claim the evidence does not carry. Separately, and importantly for specification, the material must be characterised as trivalent chromium with hexavalent chromium explicitly excluded. Claim strength: Moderate.
Sourcing botanical chromium: A 0.1% trivalent chromium concentrate from Moringa oleifera leaf is available from Herbuno, assayed by ICP-MS, with CoA and MSDS on every lot. View Chromium 0.1% →
Dosage & Formulator Specification
Production route. Moringa leaf biomass is extracted and concentrated to a 0.1% chromium specification. Because chromium is taken up from soil, content in the agricultural input varies with growing region, and lot-specific assay with blending to specification is part of production rather than an optional service. Soil chromium can include industrially contaminated sources, which makes provenance of the growing area a more meaningful question for this element than for most.
Analytical standardisation. Total chromium is determined by ICP-MS after acid digestion. The critical specification point, and one that a total-chromium figure does not address, is speciation: trivalent chromium is the nutritional species while hexavalent chromium is a recognised carcinogen. Require the certificate to confirm trivalent chromium and to demonstrate hexavalent chromium below the limit of detection by a validated speciation method. We regard this as a mandatory rather than an optional parameter for any chromium material.
Regulatory and handling context. Regulatory standing differs by market to an unusual degree. European authorities have concluded chromium is not essential in humans and have not set dietary reference values accordingly, while other jurisdictions maintain adequate intake figures and permit corresponding label references. Confirm the position in each target market before building a label or claim strategy around this ingredient. Store cool and dry in sealed, clearly identified containers.
Formulation behaviour. At 0.1%, delivering a 40 µg dose requires 40 mg of material, a workable inclusion that nonetheless requires validated blend uniformity. Use geometric dilution into a carrier and verify content uniformity analytically. As a moringa leaf concentrate the material carries green colour and a distinct vegetal character that will read through in light or unflavoured systems, suiting capsules, tablets and green blends better than clear or delicate formats. It is compatible with standard direct compression and wet granulation.
Frequently Asked Questions — Chromium
The controlled evidence does not support it, and we would rather say so than repeat the category's marketing. A meta-analysis of randomised controlled trials found no association between chromium supplementation and glucose or insulin concentrations in non-diabetic subjects, with data in people with diabetes described as inconclusive. A subsequent six-month randomised trial at 500 and 1,000 micrograms daily used direct measures of insulin sensitivity rather than surrogate markers. The glycaemic positioning common in this category is not well supported.
That is genuinely contested. Chromium was proposed as essential in the 1950s, but no chromium-dependent enzyme has been definitively identified in humans, and European authorities have concluded that it is not essential and have not set dietary reference values on that basis. Other jurisdictions retain an adequate intake figure. This is one of the few minerals where the scientific direction of travel has been toward demotion rather than confirmation.
Formulation completeness and label positioning, which we think is the honest answer. Chromium appears in multivitamin and multimineral formulas by convention and by retailer expectation, and where a product is positioned as clean-label or whole-food derived, a botanical chromium source serves that purpose in a way synthetic chromium picolinate does not. We would not encourage building a functional claim on it.
Confirmation of trivalent chromium and demonstration that hexavalent chromium is below the limit of detection, by a validated speciation method. This is mandatory rather than optional: trivalent chromium is the nutritional species while hexavalent chromium is a recognised carcinogen, and a total-chromium assay does not distinguish them. We supply speciation confirmation as standard for this material.
Yes, and unusually so for a mineral. European authorities have concluded chromium is not essential and have not established dietary reference values, whereas other jurisdictions maintain adequate intake figures and permit corresponding label references. That affects both what you can put on a label and whether a nutrient reference value declaration is available to you. Confirm the current position in each target market before finalising a label.
Every lot ships with a Certificate of Analysis and MSDS as standard, with phytosanitary certification on request. R&D quantities are available at 100 g and 250 g subject to stock, pilot batches at 1–5 kg, and bulk at 10 kg, 25 kg and above. Stock orders dispatch within 72 hours; fresh-batch production, typically 50 kg and above, runs to about 10 working days. Material is processed and sourced in India, with growing-area provenance documentation available given soil chromium variability.
Related compounds: Zinc · Selenium · Magnesium
Claim strength scale: High — consistent human data or established biochemistry. Moderate — supportive human data with limitations. Emerging — mechanistic or preliminary evidence only.