Table 4.

Effective daily amounts of functional collagen peptides (2.5 to 15 g) observed in the literature, expressed as (A) percent of the Recommended Dietary Allowances (RDA) for both men and women and (B) percent of the average daily protein intake in the standard American diet *.

		Effective Daily Amounts of Functional Collagen Peptides
		Min 2.5 g	Max 15 g
(A)	RDA (g)	RDA (%)	RDA (%)
Men	56	4	27
Women	46	5	33
(B)	Protein intake * (g)	Protein intake (%)	Protein intake (%)
Men	100	2.5	15
Women	67	4	22

* Daily protein consumption in the standard American diet over the 10-year period from 1999–2008 [33].