Interaction databaseSupplement × SupplementReviewed May 2026

Chromium and Vitamin B7, a synergy.

Chromium picolinate combined with biotin (vitamin B7) has improved fasting glucose and glycemic markers more than chromium alone in studies of impaired glucose control.

One pair, every claim cited. The two substances, the type, the mechanism, the recommendation, and the primary literature.
Same shape as the other 1,729 pairs in the public database.

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From the interaction database

What the row says.

Every entry follows the same shape: what is happening, the mechanism, the recommendation, and the primary literature.

At a glance

Substances
Chromium and Vitamin B7
Pair type
Synergy
Evidence (highest tier)
Moderate
Source citations
1 source
Stack Score effect
+2 to your Stack Score (per scored synergy row).
Scope
Supplement × Supplement
Last verified
May 30, 2026

Synergy · Moderate evidence

Synergy

What is happening. Chromium picolinate combined with biotin (vitamin B7) has improved fasting glucose and glycemic markers more than chromium alone in studies of impaired glucose control.

Mechanism. Chromium enhances insulin receptor sensitivity, while biotin is a cofactor for carboxylase enzymes (including pyruvate carboxylase and acetyl-CoA carboxylase) and upregulates glucokinase, giving complementary effects on glucose handling.

Recommendation. The two are commonly paired and can be taken together for glycemic support. Not a substitute for prescribed diabetes therapy.

Sources (1)
  1. Albarracin CA et al. Chromium picolinate and biotin combination improves glucose metabolism in treated, uncontrolled overweight to obese patients with type 2 diabetes. Diabetes Metab Res Rev. 2008;24(1):41-51. PMID 17506119

Stack Score

How this pair moves the number.

Effect on the composite score

If both Chromium and Vitamin B7 are in the same stack, this pair applies +2 to your Stack Score (per scored synergy row).

The full algorithm, the clamping rules, and four worked stacks are documented at /methodology/stack-score.

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