This Two Per Day formula gives you more of the essential vitamins, minerals, and other nutrients your body needs. This is important because Recommended Dietary Allowances (or RDAs) provide only the minimal doses necessary to avoid deficiency. But in order to achieve optimal health and well-being, you need the ideal dose of high-quality vitamins and minerals every day. Individuals consuming more than 2,000 IU/day of vitamin D (from diet and supplements) should periodically obtain a serum 25-hydroxy vitamin D measurement. Vitamin D supplementation is not recommended for individuals with high blood calcium levels.Do not purchase if outer seal is broken or damaged.When using nutritional supplements, please consult with your physician if you are undergoing treatme.