Strong evidencemineral
Zinc for Bloating
Zinc strengthens intestinal barrier integrity by upregulating tight junction proteins (occludin, ZO-1). It reduces intestinal permeability (leaky gut) which contributes to bloating, and supports digestive enzyme function including carbonic anhydrase.
How strong is the research?
Strong evidence
Based on a randomised controlled trial (RCT) — the gold standard for establishing cause and effect.
Research source
SourceSturniolo GC et al. · Inflammatory Bowel Diseases 2001How much to take
15–30 mg
Take with food to reduce nausea. Do not take with iron supplements. Balance with copper if using long-term (>30mg).
When to take it
Best taken: empty stomach