Topical and oral preparations can be used to maintain, but they are not able to achieve the same systemic dose concentration as IV delivery
This usually occurs in individuals with underlying digestive conditions, those who have trouble absorbing all nutrients through digestion, or those with pernicious anemia, which specifically prevents B12 absorption
If in doubt, please contact us or check manufacturer web page for more information on product
How Do I Choose the Right Needle Size
Luo Y, Xie Y, Li W, Wei M, Dai T, Li Z, Wang B (2021) Physiological and transcriptomic analyses reveal exogenous trehalose is involved in the responses of wheat roots to high temperature stress
Igbokwe IO, Esievo KA, Saror DI, Obagaiye OK