Buyer Guide

Supplement Money-Back Guarantees: What to Check Before You Buy

How supplement refund guarantees work, what conditions to verify and why a guarantee does not prove product effectiveness.

By NutraVitalityLab Editorial TeamFact-checked: September 2026

Check the Time Window

A 30-, 90- or 365-day guarantee is only the first detail. Check when the period begins and what the seller requires to make a valid request.

What Must Be Returned?

Some policies require bottles, packaging or proof of purchase. Do not assume “money back” means you can discard everything immediately.

Refund vs Subscription Cancellation

A refund concerns money already paid; cancellation concerns future recurring charges. One does not necessarily accomplish the other.

Guarantee vs Effectiveness

A long refund window can reduce financial risk, but it does not prove a health claim. Advertising substantiation and commercial refund protection are separate issues.

Keep Records

  • Order confirmation
  • Order number
  • Purchase date
  • Seller identity
  • Return/cancellation correspondence

Sources & References

  1. FTC — Health Products Compliance Guidance

Product pages are used for seller-reported facts such as current formula, price and guarantee. They are not treated as independent proof of effectiveness.

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