CV-SB-03 · standards
Found on 117 of the 1,524 best-selling listings we have ruled, 145 times in total. That is 117 live product pages carrying this wording today.
FTC Act s.5(a), 15 U.S.C. 45(a)
“unfair or deceptive acts or practices in or affecting commerce”
Source checked 2026-08-18.
FTC Health Products Compliance Guidance (December 2022)
“health-benefit claims generally require randomised, controlled human clinical testing; this is the document Walmart's substantiation checklist is asking about”
Source checked 2026-08-18.
Competition Act, R.S.C. 1985 c. C-34, s.74.01(1)(b)
“performance claims not based on an adequate and proper test, the proof of which lies on the person making the representation; the test must precede the claim”
Source checked 2026-08-18.
Walmart Standards for Suppliers, Label and Market Products Accurately
“suppliers must support any claim they make with adequate substantiation”
Source checked 2026-08-18.
Canadian Code of Advertising Standards, clause 1(e)
“claims must be supported by competent and reliable evidence, disclosed to Ad Standards on request”
Source checked 2026-08-18.
Not a ruling. The claim may be permissible in this form, but only if the brand holds evidence meeting the cited standard. We do not hold or evaluate that evidence. Answer it in column (b).
Claims Verified, standard CV-SB-03 "works in [X] days", standards v1.3.1, retrieved 16 September 2026, https://claimsverified.org/standards/CV-SB-03/
Or put it in your own policy
Marketing copy must not use "works in [X] days" or equivalent wording. See Claims Verified standard CV-SB-03 (standards v1.3.1): https://claimsverified.org/standards/CV-SB-03/
Cite it freely with attribution and the version. The whole register is machine-readable at /standards/registry.json. Rulings are our published professional opinion, not legal advice.
All 98 standards and the 98 in force · Check a listing against them free