Natrol

Natrol receives a brand trust score of 96/100 in GoodSupp's independent analysis. The company was founded in 1980 and is headquartered in Chatsworth, California, USA. They hold 7 verified certifications including Consumerlab, Npa Gmp, Fda Gmp Inspections, Nsf Gmp, USP Verified. These certifications are independently verified by GoodSupp and indicate the brand meets recognized quality, purity, and manufacturing standards. Note: Natrol has 8 historical regulatory incidents on record. These are factored into the overall trust score and are detailed in the violation history section above.

Yes. Natrol holds 7 verified third-party certifications: Consumerlab, Npa Gmp, Fda Gmp Inspections, Nsf Gmp, USP Verified. 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 Natrol supplements are: Biotin (score: 100/100); Vitamin D3 (score: 100/100); Biotin 5,000 mcg Fast Dissolve Strawberry (score: 100/100). 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.

Natrol is headquartered in Chatsworth, California, USA. The company was founded in 1980. They currently offer 319 products in their supplement lineup. Their official website is natrol.com. Manufacturing location may differ from corporate headquarters — look for GMP certification to verify manufacturing quality standards.