Spring Valley Supplements Quality. According to the available spring valley vitamin d3 reviews and data, the quality score of the vitamins lies between 6.8 to 9.2, which is pretty impressive. Are you considering adding spring valley supplements to your daily routine, but want to know more about their quality, efficacy,.
Reviews of spring valley products including quality ratings and comparisons by consumerlab.com which tests and reviews vitamins, supplements, nutrition, and. A post on facebook claims spring valley vitamins, an exclusive walmart brand, are made in china and suggests the vitamins are not safe for consumption.