CLASS III Food recall · Reported 17 Sep 2025 · FDA Enforcement Report
Anabolic Research Winn-50 (vanazolol) recalled
Dynamic Sports Nutrition is recalling Anabolic Research Winn-50 (vanazolol), distributed nationwide in the US. The recall was initiated on 28 Jul 2025 and the FDA has classified it as Class III.
Check your package
Do not eat it. Return it to the store for a refund or throw it away. If you have symptoms after eating it, contact a doctor.
Recall details
- Recall number
- H-0573-2025
- FDA event ID
- 97377
- Recalling firm
- Dynamic Sports Nutrition, Humble, TX
- Brand
- Anabolic Research
- Classification
- Class III
- Status
- Terminated
- Recall initiated
- 28 Jul 2025
- FDA classified
- 5 Sep 2025
- Reported
- 17 Sep 2025
- Type
- Voluntary: Firm initiated
- Customers notified by
- Letter
- Reason category
- Potency & Assay
- Product category
- Dietary Supplements
Timeline
| 28 Jul 2025 | Recall initiated by company | |
| 5 Sep 2025 | Classified by FDA | +39 days |
| 17 Sep 2025 | Published in enforcement report | +12 days |
Companies usually start a recall weeks before the FDA classifies and publishes it; the gap above is that lag.
Reason for recall
Dietary supplement involved degradation of an ingredient. Product is sub-potent for Vitamin B12 not meeting label claims.
Potency and specification recalls happen when a batch tests outside its approved limits for strength, purity or dissolution, which can mean the dose delivered is higher or lower than labelled.
Product as listed by the FDA
Anabolic Research WINN-50 (vanazolol). Dietary Supplement. 90 Capsules. UPC 8 51840-00707 6. Manafactured For: Anabolic Research, 6942 FM 1960 E. #346, Humble, TX 77346-2706.
Where it was distributed
Nationwide
Questions about this recall
Why was it recalled?
Dietary supplement involved degradation of an ingredient. Product is sub-potent for Vitamin B12 not meeting label claims.
Which lots are affected?
LOT: 2307149 MFG: 07/2023
Where was it sold?
Nationwide
What should I do if I have it?
Do not eat it. Return it to the store for a refund or throw it away. If you have symptoms after eating it, contact a doctor.
What does Class III mean?
Class III recalls are for products unlikely to cause any adverse health consequence, usually labelling or quality issues.
Read the official FDA notice · Source record retrieved 26 Sep 2026. The FDA describes openFDA data as unvalidated; the official notice takes precedence. This page reports the record and gives no medical advice.
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