Even if youre not deficient, B12 can still give you more energy and help your body break down fats better
Additionally, vitamin B can provide an energy boost, making it easier to stay motivated for your workouts
Serious and rarer side effects can include muscle cramping, irregular heartbeat, shortness of breath, slurred speech, vision changes, chest pain and weakness on one side of the body
Amino Acids: Essential building blocks for the production of neurotransmitters, reduce brain fog and increase energy levels
It may be difficult to determine the exact time when your vitamin B12 injections have started working, as many people will report noticing a difference in their energy levels within a few days following the shot, and others may not feel the increase in energy for multiple weeks if their body needs the vitamin to build up a bit more
Uncommon (1-10 in 1,000): itching, rash, acne-like skin changes, joint pain