Thirdzy

Thirdzy receives a brand trust score of 0/100 in GoodSupp's independent analysis. The company was founded in 2021 and is headquartered in Toronto, ON, Canada and Sheridan, WY, USA. They hold 1 verified certifications including Informed Sport. These certifications are independently verified by GoodSupp and indicate the brand meets recognized quality, purity, and manufacturing standards. No FDA warning letters, recalls, or regulatory violations were found in our research.

Yes. Thirdzy holds 1 verified third-party certifications: Informed Sport. Third-party testing means an independent laboratory — not the supplement company itself — has verified the product's contents, purity, and/or manufacturing practices. This is one of the strongest indicators of supplement quality because it removes the conflict of interest inherent in self-testing. Not all certifications are equal: NSF International and USP are considered the gold standard, while GMP certification indicates proper manufacturing practices.

Based on GoodSupp's quality analysis, the highest-rated Thirdzy supplements are: Rest & Recover Collagen - Informed Sport Certified, 7 Individual Travel Packs (score: 85/100); Rest & Recover Collagen- Informed Sport Certified - 30 Servings Sleep Support Supplement, 15 oz (score: 85/100). These scores are calculated from ingredient quality, dosage adequacy, bioavailability, label transparency, and inactive ingredient safety. Scores can vary significantly across a brand's product line — a high brand trust score doesn't guarantee every individual product is top-quality.

Thirdzy is headquartered in Toronto, ON, Canada and Sheridan, WY, USA. The company was founded in 2021. They currently offer 2 products in their supplement lineup. Their official website is thirdzy.com. Manufacturing location may differ from corporate headquarters — look for GMP certification to verify manufacturing quality standards.