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Description
Harris, W
As we age, stomach acid production can decline (atrophic gastritis), which makes it harder to extract B12 from food or pills
Comprehensive review on collagen extraction from food by-products and waste as a value-added material

This product is exclusively designated for in vitro testing and laboratory research

2016 Apr 21;11(4):e0154003
A significant portion of proceeds are donated to fund human scientific research
