what is typical b12 injection dose Vitamin Dosage for Adults: Guidelines B12 Shots Dosage for Adults:

While its important to give vitamin supplements as directed by your veterinarian and as directed on the label, giving your dog higher amounts of Vitamin B12 is safe

Studies treating mild to moderate B12 deficiency in older people have failed to provide cognitive benefits: A clinical trial from the Netherlands measured the cognitive response to B12 supplements in people 70 years old with mild B12 deficiency and MMA levels 320 nmol/l (average: ~450 nmol/l)

Systemic effects from topical application are rare but not impossible with very high concentrations or compromised skin barriers

Biotin Supports healthy hair, skin and nails