NutriAudit
AI supplement stack analyzer that flags duplicate ingredients, upper-limit risks, and documented interactions for free, with a $4.99
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NutriAudit is the clearest option for someone juggling five or more supplements who wants a structured, citation-backed safety screen before their next doctor visit. The free tier does real work, and the $4.99 one-time audit is priced low enough that the barrier to a full report is almost zero. The dataset covers 25+ interaction pairs and five regional standards, which is genuinely useful but also a hard ceiling: anything outside that verified dataset gets no coverage, and there is no drug-supplement interaction checking at all.
What is NutriAudit?
NutriAudit is a web-based AI tool that analyzes a person's full supplement stack for duplicate ingredients, combined dose totals, upper-limit risks, and documented supplement-to-supplement interactions. Users add products manually or by scanning a label photo; the tool then cross-references ingredients against cited public reference data from bodies including NIH ODS, NASEM, EFSA, and NHMRC across five regional safety standards.
The platform offers a free automated screening tier for stacks of up to 15 supplements, plus a one-time $4.99 Personal Stack Review that produces a prioritized, evidence-linked report with product-by-product dose context and professionally oriented review questions. Five additional free standalone tools cover interaction checking, duplicate detection, dosage comparison, and toxicity screening. NutriAudit is designed for individual supplement users seeking an organized safety screen before consulting a healthcare provider, and it explicitly positions itself as educational decision support rather than medical advice.
How we scored NutriAudit
Value scores high because $4.99 one-time with a no-charge-on-failure guarantee is genuinely fair pricing for what the paid report delivers, and the free tier does real substantive work. Ease of use scores well given no sign-in required to start, label photo scanning, and a clean two-tier structure with no hidden upsells. Capability is held back by the hard dataset ceiling of 25+ interaction pairs and the complete absence of drug-supplement interaction checking, a gap that two or more named reference tools in the broader category cover. Delivery lands in the low teens because no third-party user sentiment could be found to validate the tool's claims, the dataset scope disclaimer is significant, and the iterative-audit pricing model (every stack change costs a new $4.99 credit) creates a friction pattern that could frustrate the users most likely to need repeated checks.
Pros and cons
What we liked
- One-time $4.99 audit credit with no subscription and a genuine no-charge-on-failure guarantee makes the full report accessible without financial risk.
- Covers five regional safety standards (US FDA, EU EFSA, AU TGA, CN CNS, JP MHLW) and cites NIH ODS, NASEM, EFSA, and NHMRC, giving the reference layer real credibility for a consumer tool.
- Free tier does substantive work: up to 15 supplements per stack, duplicate and upper-limit checks, and interaction warnings without requiring sign-in to start.
Where it falls short
- Coverage is hard-capped at verified dataset entries: any ingredient without a confirmed reference record gets no analysis, and the interaction checker covers only 25+ known pairs, which is a narrow slice of possible supplement combinations.
- No drug-supplement interaction checking at all, which is a significant gap for the large share of supplement users who also take prescription or OTC medications.
- The free tier caps at 15 supplements per stack, and adding or removing even one product or changing a dose counts as a new audit requiring a fresh $4.99 credit, so iterative stack optimization gets expensive quickly.
Key features
NutriAudit pricing
Two tiers: a free automated screening (up to 15 supplements per stack) and a one-time $4.99 Personal Stack Review credit that enables the full evidence-linked report. No subscription, no auto-renewal.
| Plan | Price | Who it is for |
|---|---|---|
| Free Automated Screening | $0 | Up to 15 supplements per stack. Includes the NutriAudit Audit Progress Score, duplicate and upper-limit risk checks, recorded interaction warnings, and saved audit history after sign-in. No sign-in required to start. |
| Personal Stack Review | $4.99 | One-time payment for one full audit credit. Includes everything in the free screening plus risks ordered by priority, product-by-product overlap and dose context, evidence gap identification, and questions formatted for review with a qualified professional. Credit is only consumed after a successful report generation; a failed generation returns the credit. Delivered report remains accessible for the same stack fingerprint. |
Pricing reflects what we saw at time of review (2026-11). Always confirm current pricing on the tool's own site.
Who should use NutriAudit?
NutriAudit fits the person who has accumulated a shelf of supplements over time and genuinely does not know whether their combined daily intake of, say, vitamin D, magnesium, and a multivitamin is pushing past safe upper limits. It is also well suited to someone preparing for a GP or dietitian appointment who wants to arrive with a structured, cited summary rather than a bag of bottles. The $4.99 price point means even casual users can afford the full report without committing to a subscription.
Anyone on prescription medications should look elsewhere first: NutriAudit does not check drug-supplement interactions, which is often the more clinically urgent question. For that use case, a pharmacist consultation or a tool specifically built for drug interaction checking is the right move. Within the directory, neither Simple Muscle nor PawCoach addresses supplement safety, so there is no direct competitor here to redirect to; the honest answer is that a qualified pharmacist or dietitian covers the drug-interaction gap NutriAudit leaves open.
Skip it if: Anyone needing drug-supplement interaction checks or a clinical-grade analysis tool
Frequently asked questions
Is NutriAudit a subscription service?+
No. The Personal Stack Review is a one-time payment of $4.99 per audit credit with no automatic renewal. The free automated screening has no cost at all.
What happens if the report fails to generate?+
The credit is only consumed after a successful report is saved. A failed generation returns the credit, so you are not charged for a report you did not receive.
Does NutriAudit check interactions between supplements and prescription drugs?+
No. NutriAudit checks supplement-to-supplement interactions only, covering 25+ known pairs. It does not check drug-supplement interactions, which is a meaningful limitation for anyone on prescription or OTC medications.
How many supplements can I include in a stack?+
The free tier supports up to 15 supplements per stack. The pricing page does not state a higher cap for the paid audit, so 15 appears to be the current stack limit regardless of tier.
What counts as a new audit requiring a new credit?+
Adding or removing a product, changing an ingredient or dose, or changing the regional standard all create a new audit fingerprint and require a fresh $4.99 credit.
Which reference bodies does NutriAudit cite?+
NutriAudit cites NIH ODS, NASEM, EFSA, and NHMRC, and applies safety standards from five regional authorities: US FDA, EU EFSA, AU TGA, CN CNS, and JP MHLW. Coverage is limited to ingredients with verified entries in the current dataset.
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