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Betaine HCl Side Effects & Safety

This content is for informational purposes only and does not constitute medical advice. Consult your healthcare provider before starting any supplement. Full disclaimer

Safety Profile

Overall safety rating: Safe with Caution

Potential Side Effects

  • Warmth or burning sensation in stomach (dose-limiting — reduce dose if this occurs)
  • Heartburn if taken without food or at excessive doses
  • Contraindicated in those with active ulcers, gastritis, or H. pylori infection

Drug & Supplement Interactions

  • NSAIDs (aspirin, ibuprofen) — do NOT combine; increased risk of gastric ulceration
  • Corticosteroids — increased ulcer risk when combined with supplemental acid
  • PPIs/H2 blockers — betaine HCl works against the mechanism of these drugs; do not combine

Maximum Dose

Do not exceed: Titrate to warm sensation in stomach, then reduce by one capsule; typically 1,950-3,250mg/meal maximum

Full Betaine HCl Guide

References

  1. (). Gastric reacidification with betaine HCl in healthy volunteers with rabeprazole-induced hypochlorhydria. Molecular Pharmaceutics. DOI
  2. (). Gastric juice: a barrier against infectious diseases. Basic & Clinical Pharmacology & Toxicology. DOI