Are dietary supplement serving sizes standardized or are there restrictions on the amount of a nutrient that can be in one serving?
Are dietary supplement serving sizes standardized or are there restrictions on the amount of a nutrient that can be in one serving?
Other than the manufacturer's responsibility to ensure safety, there are no rules that limit a serving size or the amount of a nutrient in any form of dietary supplements. This decision is made by the manufacturer and does not require FDA review or approval.
Source: Excerpted from Overview of Dietary Supplements January 2001