While there is some limited evidence of the efficacy of 1,000 micrograms daily dosing of oral cyanocobalamin, this is mainly based on the correction of serum vitamin B12 levels, rather than any impact on clinical signs and symptoms[24]
Those in the middle tertile (adjusted OR = 0.48, 95% CI [0.25, 0.93], P = 0.03) and highest tertile (adjusted OR = 0.44, 95% CI [0.22, 0.87], P = 0.02) had much lower chances of testosterone deficiency than men with the lowest B12 levels [5]
One effective way to address this issue is by using vitamin B12 shots
If dietary protein intake is insufficient, particularly glycine and proline which are collagens primary building blocks, the anabolic signaling has limited raw material to work with
After all, men are supposed to handle their problems without complaint, right