Twinlab

Twinlab receives a brand trust score of 0/100 in GoodSupp's independent analysis. The company was founded in 1968 and is headquartered in Boca Raton, Florida, USA. They hold 1 verified certifications including Consumerlab. These certifications are independently verified by GoodSupp and indicate the brand meets recognized quality, purity, and manufacturing standards. Note: Twinlab has 1 historical regulatory incident on record. These are factored into the overall trust score and are detailed in the violation history section above.

Yes. Twinlab holds 1 verified third-party certifications: Consumerlab. 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 Twinlab supplements are: Zinc Caps, 30 mg, 100 Capsules (score: 100/100); Daily One Caps, Without Iron, 180 Capsules (score: 88/100); Vitamin D3, 1000 IU + K2 (score: 87/100). 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.

Twinlab is headquartered in Boca Raton, Florida, USA. The company was founded in 1968. They currently offer 14 products in their supplement lineup. Their official website is twinlab.com. Manufacturing location may differ from corporate headquarters — look for GMP certification to verify manufacturing quality standards.