NSTK · 01.2026Independent supplement reference
NutriStack
Edition 1.0Updated August 1, 2026

Supplement × Prescription·Evidence index

Ampicillin and Probiotics: what the published research says

PubMed indexes 5 records that name Ampicillin and Probiotics together, either in the title or in an interaction, co-administration, or pharmacokinetic context. Each one is listed below with its study design and, where the abstract states one, the authors’ own conclusion, quoted and linked. This page reports that literature. It does not tell you whether to combine them.

Read this first

An evidence index, not guidance.

Every statement below is attributed to a named, dated, linked source.

This page lists published research relevant to Ampicillin and Probiotics. It deliberately does not state whether the combination is safe, whether it interacts, in which direction, at what dose, or how far apart to take them.

The research

5 studies naming Ampicillin and Probiotics.

Strongest relevance first: papers naming both substances in the title, then human trials and systematic reviews.

Effect of a lactobacillus preparation on the absorption of oral ampicillin.

Antimicrobial agents and chemotherapy · 1985 · PMID 4083859

Clinical TrialRandomized Controlled Trial

“No differences in maximum concentration of drug in plasma, time to maximum concentration of drug in plasma, area under the concentration-time curve, or mean residence time were seen for either males or females or the combined group. The lactobacillus preparation as used in this study did not appear to interfere with the bioavailability of oral ampicillin.”

Yost et al. · From the abstract

Names both Ampicillin and Probiotics in its title.

Complex probiotics alleviate ampicillin-induced antibiotic-associated diarrhea in mice.

Frontiers in microbiology · 2023 · PMID 37125182

“We found that complex probiotics improved the diarrhea-related indexes, regulated gut microbiota composition and diversity, increased the expression levels of intestinal protective barrier-related genes, preserved the intestinal barrier function, and relieved inflammation and intestinal injury, thereby effectively improving AAD-associated symptoms. Graphical Abstract.”

Li et al. · Authors' conclusion

Names both Ampicillin and Probiotics in its title.

Limitations

What this evidence cannot tell you.

Search-based evidence indexes have real limits, and it is worth being explicit about them:

NutriStack

Track what you actually take.

NutriStack is a free iPhone app for organising a supplement routine: what you take, when, and what the published record says about it. Its exploratory interaction checker covers Ampicillin, Probiotics, and several hundred other substances.

The checker is a research and organisation tool, not a clinical decision aid, and its per-pair assessments are excluded from search until they pass claim-level review.

NutriStack is an informational and organizational tool, not a medical service, and not a substitute for professional advice. Always consult a qualified healthcare professional before starting, stopping, or changing any supplement or medication.