Arsenic (Ultra-Trace)
A controversial ultra-trace element — possibly essential at very low levels but toxic at higher doses.
Also known as: As
Overview
Arsenic is present in trace amounts in the human body and some researchers have proposed it may be an essential ultra-trace element based on animal studies showing deficiency symptoms. However, arsenic is well-known as a toxin, and supplementation is never recommended.
Key Benefits
Possible Ultra-Trace Role
Animal studies suggest arsenic deprivation affects growth and reproduction, but essentiality in humans is unproven.
Dosage & How to Take
Arsenic supplementation is never recommended. Dietary intake should be minimized.
| Purpose | Dose | Notes |
|---|---|---|
| Not recommended | N/A | Minimize exposure |
Best Time to Take
Not applicable.
With or Without Food
Not applicable.
Forms & Bioavailability
| Form | Absorption | Best For | Notes |
|---|---|---|---|
| Never supplement | N/A | N/A | All forms of arsenic supplementation are dangerous. |
Side Effects & Safety
Common
- Toxic at any supplemental dose
Rare
- Cancer
- Organ damage
- Peripheral neuropathy
- Death
Contraindications
- All populations — toxic element
Interactions
Selenium may help protect against arsenic toxicity.
Scientific Research
Arsenic as an essential element
While animal studies suggest possible essentiality, the toxic nature of arsenic makes supplementation unjustifiable.
Food Sources
Frequently Asked Questions
Medical Disclaimer
This content is for educational and informational purposes only and is not intended as medical advice. Always consult with a qualified healthcare professional before starting any supplement regimen, especially if you have pre-existing health conditions or are taking medications. The statements on this page have not been evaluated by the Food and Drug Administration.