what happens after b12 injection Are Vitamin Shots Right for You? How Long Does a Vitamin

An omnivorous diet allows for the B12 intake through animal products (with a bioavailability ranging from 24% to 36% in eggs, up to 65% in lean meat) (Rucker et al., 2007)

Moreover, smooth-fitting curve analysis identified a threshold effect: below 358.7 pg/mL, each 10 pg/mL increase in vitamin B12 was associated with a 4.4% increase in clinical pregnancy rate (OR = 1.04, P = 0.03), beyond which no further benefit was observed

Dietary Gaps: This is common for people on a vegan or strict vegetarian diet, as B12 is almost exclusively found in animal products

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