Source Naturals B12 helps in DNA replication, red blood cell production, brain and tissue health, energy production and myelin sheath development, according to the Source Naturals website. The B-12 vitamins tend to dissolve quickly for easy absorption into the body.
Source Naturals B12 is recommended for vegetarians since it has no yeast, egg, dairy, wheat or soy. The manufacturer uses no sugar, salt, flavor, preservatives or fragrance. Take one tablet daily by placing beneath the tongue, altering the tablet's position beneath the tongue to avoid prolonged contact in one area.
Expectant women should consult a health care professional before using this drug, states the Source Naturals website. Do not use the drug if the tamper-evident seal is altered.