Is Chlorella Safe with Activated Charcoal?
Free · No account · based on published sources including NIH ODS, FDA drug labels, and peer-reviewed literature
Take Chlorella at least 2 hours before or 4 hours after Activated Charcoal. Never take simultaneously.
Why this interaction occurs
Activated Charcoal adsorbs organic compounds nonselectively in the GI tract. Chlorella's chlorophyll, vitamins, and nutrients can bind to charcoal's porous surface, rendering them unavailable for absorption and negating therapeutic benefit.
Evidence
Evidence level: moderate.
Reported safety data
The FDA’s adverse event reporting system (FAERS) has received 11,683 reports mentioning Activated Charcoal. This reflects reported cases involving the medication in general — not confirmed causation, and not specific to the Activated Charcoal + supplement combination on this page.
FAERS reports are voluntary and cannot prove that a drug caused an event. Do not use report counts to assess the safety of this specific drug-supplement pair.
Frequently asked questions
Related interactions
All Chlorella interactions → · All Activated Charcoal interactions →
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Educational only — not medical advice.
Always confirm with your doctor or pharmacist.