Chromium Picolinate — Supplements
Essential trace mineral enhancing insulin receptor sensitivity and glucose transporter activity.
Overview
Chromium is an essential trace mineral that potentiates insulin signaling by enhancing insulin receptor tyrosine kinase activity and GLUT-4 transporter translocation. Chromium picolinate is the most bioavailable supplemental form. Meta-analyses show modest but statistically significant reductions in fasting glucose and HbA1c in type 2 diabetes, with benefits most pronounced in individuals with poor glycemic control. Additional evidence suggests effects on body composition and food cravings.
Indications
- Insulin sensitivity enhancement
- Blood glucose management in type 2 diabetes
- Carbohydrate craving reduction
- Body composition support
Mechanism of Action
Enhances insulin receptor substrate phosphorylation and downstream PI3K/Akt signaling
Dosing
| Compound | Dose | Frequency | Notes |
|---|---|---|---|
| Chromium Picolinate | 200 mcg | Once daily with food | Can increase to 400-1,000 mcg for glycemic indications |
Evidence Grade
GRADE C
Safety & Contraindications
- Generally safe at recommended doses (up to 1,000 mcg/day)
- Rare reports of kidney and liver dysfunction at very high doses
- Picolinate form has raised theoretical concerns about DNA damage (not confirmed clinically)
- May potentiate hypoglycemia with diabetes medications