b12 injection uses Vitamin shot The Benefits of Vitamin B12

Common signs include: Ongoing fatigue or weakness Pale skin Numbness or tingling in the hands and feet Brain fog, forgetfulness, or trouble concentrating Low mood, anxiety, or irritability Poor appetite or digestive upset When B12 is low, your metabolism slows, you have less energy for activity, and appetite signals can get thrown off, all of which make weight loss harder

But injections give a much bigger dose

What is really known about the effects of nicotinamide riboside supplementation in humans

Ideal Candidate: Individuals experiencing low energy, brain fog, fatigue, or those with B12 deficiencies

Notably, NNMT inhibition did not impact food intake in the DIO mice nor produce any overt signs of toxicity or adverse behavioral effects at the pharmacologically effective dose