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Collagen for osteoporosis?

Osteoporosis & Bone Health | Last Active: 19 hours ago | Replies (384)

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@yogagirl57

I also researched Vital Proteins. They are NSF tested which is good I think. National Sanitation Foundation.

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Replies to "I also researched Vital Proteins. They are NSF tested which is good I think. National Sanitation..."

Should be National Science Foundation? Not Sanitation