Every supplement claim, cited.

NutriStack organizes your supplement routine, flags risky combinations, and links every claim to the underlying evidence.

281 Supplements indexed1
298 Prescription medications2
2,504 Interaction records3
4,652 Source links4

Inside the app

Plan, check, and source your stack.

Move from daily timing to safety checks, goal protocols, and cited context without leaving the flow.

Daily routine

Schedule, log, and review every dose.

  • 5 of 5Logged today
  • 100%Adherence
  • 0Missed doses

The evidence

Every feature draws from one research base.

A cited, graded dataset of every supplement and prescription interaction we cover, updated on a rolling basis.

Methods at a glance v1.0 · reviewed June 2026

What’s in the database

  • Supplements281
  • Prescription meds298
  • Interaction pairs2,504
  • Studies indexed1,625
  • Source citations4,652

Where it comes from

  • PubMed / MEDLINE
  • Cochrane Library
  • NIH Office of Dietary Supplements
  • EFSA
  • European Medicines Agency

How we grade confidence

  • StrongRandomized trials & meta-analyses
  • ModerateCohort studies & mechanism
  • EmergingLimited or preclinical

Adapted from GRADE. See full criteria →

Worked example

One pair, fully cited.

Every entry in the database follows the same shape: what is happening, the mechanism, the recommendation, and the primary literature. Here is one specimen drawn from the 2,504-record index.

From the interaction database Last verified June 2026

Atorvastatin + Coenzyme Q10

Synergy Moderate evidence 2 source citations

What is happening

Atorvastatin can lower circulating CoQ10 because cholesterol and CoQ10 synthesis share the mevalonate pathway. Lower CoQ10 is one proposed contributor to statin-associated muscle symptoms, although clinical trials of supplementation have mixed results. CoQ10 does not appear to reduce atorvastatin's LDL-lowering effect.


Sources

  1. Banach M, Serban C, Sahebkar A, Ursoniu S, Rysz J, Muntner P, et al. Effects of coenzyme Q10 on statin-induced myopathy: a meta-analysis of randomized controlled trials. Mayo Clin Proc. 2015;90(1):24–34. PMID 25440725
  2. Qu H, Meng YY, Chai H, Liang F, Zhang JY, Gao ZY, et al. The effect of statin treatment on circulating coenzyme Q10 concentrations: an updated meta-analysis of randomized controlled trials. Eur J Med Res. 2018;23(1):57. PMID 30414615
View the full pair page → 2,503 more pairs in the public database.Browse the full index →

Research index

The deep dives, indexed.

Of the 281 supplements and 298 prescriptions in the database, twenty have full review-style deep dives that walk through what the underlying literature actually shows. Sixteen goal protocols collect the evidence by health objective.

Contents 20 claim reviews · 16 goal protocols · refreshed June 2026
No. Review Topic Evidence Updated
01 Does creatine build muscle? Performance Strong June 2026
02 Does omega-3 reduce cardiovascular risk? Heart Strong June 2026
03 Does vitamin D support bone health? Bone Strong June 2026
04 Does berberine lower blood glucose? Metabolic Strong June 2026
05 Does magnesium improve sleep? Sleep Moderate June 2026
06 Does ashwagandha reduce cortisol? Stress Moderate June 2026
07 Does vitamin K2 prevent arterial calcification? Heart Moderate June 2026
08 Does zinc shorten the common cold? Immune Moderate June 2026
Showing 8 of 28 reviews. View the full research library →

Pricing

Free for the database. Paid only for AI.

Every entry in the 2,504-record evidence map is free to read, in the app and on this site. The optional subscription funds the AI advisor that reads your specific routine. The research itself is never paywalled.

Free

The full reference, no account required.

$0forever

  • Build and schedule your full stack
  • Dose reminders and Stack Score
  • 2,504 interaction and timing checks
  • Goal protocols and brand ratings
  • The complete evidence library
  • Barcode and label scanner

Pro

Optional, for the AI advisor only.

$6.99per month, or $49.99 / year

  • Everything in Free
  • Six AI advisor modes that read your routine
  • Timing context, every claim cited inline
  • Interaction and safety flags before changes

Billed through the App Store. Cancel anytime. Annual saves about forty percent.

Reader questions

Questions, answered.

Common questions about the database, the app, and how to use them together. Email support@nutristackapp.com if yours is missing.

Is NutriStack free to use?

Yes. Building your stack, dose reminders, interaction checks, the evidence library, and brand ratings are all free, in the app and on this site. The optional Pro tier ($6.99 / month or $49.99 / year) adds the six AI advisor modes.

Do I need an account?

No. NutriStack runs in a local-only mode with no account, your data stays on your device. Creating an account adds encrypted cloud backup and sync across your devices.

Is NutriStack medical advice?

No. NutriStack is an informational and organizational tool, not a medical service. Everything in the app and on this site is for general educational purposes. Always consult a qualified healthcare professional before changing your supplements or medications.

Where does the evidence come from?

See the Methods at a glance panel above for the source list, grading rubric, and coverage counts. The complete methodology is at /methodology.

Which devices does it support?

NutriStack is an iPhone app and runs on iPhone with a recent version of iOS. The research site at nutristackapp.com works in any modern browser.

Is the app available?

Yes. NutriStack is live on the App Store for iPhone. Download NutriStack on the App Store →

Last updated June 2026. More questions at /support.

Before you go

The app is live on the App Store. The research stays here, free, regardless.

NutriStack is live on the App Store. The 2,504-record database, the methodology, and every cited source remain open to read on this site.

Browse the research → Download on the App Store

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.