Your age, activity level, and physical health may also be factors
Rx B12 and Rx B12 Forte are made by the manufacturer Rx Vitamins
They might not absorb it as well
Feeling Drained or Foggy
If you are taking vitamin B12, there are some drugs to avoid, or you may have to change the dosage times, because they might stop your body from absorbing the vitamin
Combivit IM/IV Injection Injection Pack Image (50 mg+5.48 mg+100 mg+5 mg+10 mg)/2 ml 2 ml ampoule: 10.03 (2 x 5: 100.30) Also available as: Indications It is indicated in the vitamin B-Complex deficiency states like beriberi, Wernicke's encephalopathy, loss of appetite, cheilosis, glossitis, angular stomatitis, keratitis, seborrhoeic dermatitis, pellagra, photophobia, peripheral neuritis, corneal vascularization, in conditions causing depletion, or reduced absorption of vitamins such as gastrointestinal disorders, chronic alcoholism, febrile illness, prolonged or wasting diseases, hyperthyroidism or poorly controlled diabetes, and conditions resulting in increased requirement for B-Complex vitamins e.g