Most people dont realize that they are actually deficient in B vitamins so when you replenish your body with these nutrients, it results in an energy boost
Allergic reactions to proprietary preparations of vitamin B12 might be due to substances added to the solutions as preservatives or for other reasons, to impurities from the production, or to the vitamin B12 itself
When your body receives the B12 shot, it begins to absorb more of the nutrient than usual, which can cause a spike in energy levels
Lastly, choline has also been shown to specifically aid with memory, and to support the maintenance of a healthy nervous system.1314 Food sources of choline include peanuts, soybeans, wheat, chicken, fish, beef, cauliflower, eggs, and lettuce