High-dose oral B12 supplements cost approximately $60 to $180 per year and are available over the counter
For many people, weekly or bi-weekly injections are a great starting point, especially during periods of stress, fatigue, or weight loss
replenishment strategies improve metabolic homeostasis [2]
People with vitamin B12 deficiency show different recovery times, ranging from days to months before feeling fully well
When a compound average effect is only 2 kilograms over 12 weeks, many individual participants likely saw minimal to no change, while a smaller subset may have responded more strongly, pulling the average up
Handbook of vitamins (Fifth ed.)