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Since it is not considered an essential nutrient because body can manufacture it, there is no rda for collagen. However it is very known that a dose ranging 5 to 10 grams daily of Hydrolyzed Collagen along 1 to 3 grams daily of vitamin C can dramatically improve some premature aging symptoms (mainly seen on skin, hair and nails), joint-bone disorders (like arthrosis, rheumatoid Arthritis and osteoporosis) and also can accelerate the wound healing.

Hope this helps!

Roberto Carolini

Nutritionist

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12y ago

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