What it is
Regulatory status: medication; availability and prescription status vary by dose and jurisdiction
Mechanism evidence: human
At a glance
What it is, why people use it, the evidence, and what to know before trying it.
Why people use it
- Heartburn and acid-related symptom relief
- Acid suppression for labeled gastrointestinal indications
Evidence at a glance
Famotidine is an established acid-suppressing medicine for labeled gastrointestinal uses. Ferriss's experimental use should be shown as a personal protocol claim, not as evidence for anti-aging or metabolic benefit.
Confidence: strong
Clinical safety
Contraindications, interactions and clinical cautions from reviewed sources.
Dose adjustment may be required in renal impairment. Headache, dizziness, constipation, or diarrhea can occur; medicine interactions and prolonged unsupervised acid suppression deserve review.
- Medicines whose absorption depends on gastric acidity
Forms and variants
This review does not automatically apply to:
- combination antacid products containing famotidine
- other H2 blockers
- proton-pump inhibitors
Seen in protocols
Public protocols that include Famotidine. Open one to see the full context and source.