Rainbo

Rainbo receives a brand trust score of 0/100 in GoodSupp's independent analysis. The company was founded in 2018 and is headquartered in Toronto, Ontario, Canada. They hold 1 verified certifications including B Corp Certified. 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. Rainbo holds 1 verified third-party certifications: B Corp Certified. 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 Rainbo supplements are: Reishi, Alcohol-Free, 3.4 fl oz (100 ml) (score: 75/100); Cordyceps, Alcohol-Free, 3.4 fl oz (100 ml) (score: 75/100); Lion's Mane, Alcohol-Free, 3.4 fl oz (100 ml) (score: 62/100). 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.

Rainbo is headquartered in Toronto, Ontario, Canada. The company was founded in 2018. They currently offer 5 products in their supplement lineup. Their official website is rainbo.com. Manufacturing location may differ from corporate headquarters — look for GMP certification to verify manufacturing quality standards.