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They include vitamins B1 (thiamine), B2 (riboflavin), B3 (niacin), B5 (pantothenic acid), B6 (pyridoxine), B7 (biotin), B9 (folic acid), and B12 (cobalamin)
None of these gaps were large enough to change the basic conclusion that the approach works across body types
Hewitt, P
This method bypasses your digestive system entirely, allowing for near-complete absorption of nutrients compared to just 10-15% absorption from oral supplements
A larger vial reconstituted all at once means more material to consume within that same window
Technical FAQ Extension How much vitamin B12 do adults need each day
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