Chromium in Supplements: A Useless and Dangerous Micronutrient That Continues to Be Sold

You've probably seen chromium picolinate in pharmacies. It's advertised as a weight loss, muscle building, and blood sugar control aid. But what does science say?

🧪 Chromium is not needed by the human body.
In 2014, the European Food Safety Authority (EFSA) concluded that there is no convincing evidence that chromium is an essential element for humans.

Biochemist John Vincent from the University of Alabama, who has studied chromium for over 20 years, stated: "New evidence contradicts the notion that chromium is a vital micronutrient."

Why?
- The body absorbs less than 1-3% of consumed chromium; evolutionarily, this is unnecessary.
- There is not a single protein in the human body that requires chromium.
- No biochemical reaction involving chromium has been found.
- No disease from chromium deficiency has been documented.


Where did the myth come from?
In the 1950s, scientists conducted an experiment on rats. Animals with diabetes-like symptoms received chromium and "recovered." A few critically ill patients had their lab results altered by chromium. The experiments contained gross errors: we are not rats, background chromium levels in food were not considered, and there were no control groups.

But it was too late—marketing had already taken off.

Meta-analyses show:
- Effect on blood sugar — insignificant or absent
- Weight loss — clinically insignificant
- Effect on cholesterol and muscle mass — not proven

☠️ Hexavalent chromium (Cr VI) — a deadly poison
It is an industrial toxin, a Group 1 carcinogen according to the IARC classification.
- Inhalation causes lung cancer
- Ingestion damages the liver and kidneys
- Causes DNA damage in all cells
- Affects dopaminergic, GABAergic, and cholinergic neurons, accelerating nervous system aging
- Observational studies link chromium exposure to autism spectrum disorders and memory impairments


💊 What to do about chromium?
Do not buy, do not take, throw away any you have.

Many companies have obtained regulatory approvals for chromium supplements, and acute toxicity in animals has not been observed—if such studies were actually conducted. The proportion of toxic chromium forms will not be listed on the label. Long-term negative effects are not required to be tested for supplements.

@drakarasev