can too many b12 injections be harmful Vitamin Side Effects Vitamin B12: Overdose and Side

The 5mg dose offers 5 times the strength of the 1mg

Adequate protein intake (at least 1 gram per kilogram body weight per day) and complete-micronutrient coverage during weight loss reduce risk

If you need to recover quickly from an illness that depleted your B12 reserves or have recently discovered you have a B12 deficiency that is impacting your quality of life, one solution is to give your body a larger dose of B12 all at once

Body stores can last for two to five years or longer, which is why deficiency often develops slowly and may not become apparent for some time after dietary intake or absorption becomes inadequate