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Expecting results at 46 weeks is unrealistic given the biological timeline of anagen phase extension

The peptide is naturally occurring and well-tolerated

No prescription is required

This article was reviewed and minor updates were made in February 2026.

Symptoms of a vitamin B12 deficiency include: Anemia Fatigue and weakness Dizziness Memory loss or concentration Rapid heartbeat Excessive bruising Soreness of the mouth or tongue Although there is no solid medical research to support these claims, many people believe that Vitamin B12 is helpful in improving concentration and boosting energy, as well as preventing or improving the following conditions: macular degeneration, a weakened immune system, infertility, sleep disorders, allergies, asthma, skin disorders and heart or kidney problems

(1) This vitamin can be found in foods of animal origin (i.e., meat, fish, eggs) as well as in some fortified substitutes