5 Highest Quality Supplement Brands In The US

4. Nature Made 

Score: 4

Product Variants: 150

Nature Made was founded in 1971 and is based in West Hills, California. The brand’s holding company, Pharmavite LLC, was acquired by the Japan-based Otsuka Pharmaceutical Co., Ltd. in 1989. The company manufactures all the letter vitamins, calcium, pre-and post-natal multivitamins, kids’ multivitamins and gummies, omega-3, minerals, herbal supplements, and nutrients.