If you see white flecks, cloudiness, or a gel layer, do not inject
Certain groups may not get enough vitamin B12 or have trouble absorbing it: Many older adults, who do not have enough hydrochloric acid in their stomach to absorb the vitamin B12 naturally present in food
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However, they work only while you take them, do nothing to promote tissue repair, and carry risks of gastrointestinal, cardiovascular, and renal side effects with prolonged use
Increases Collagen Production: It may improve collagen synthesis, which is essential for maintaining the structure of connective tissues, skin, and joints
However, current data indicate that the optimum obtainable neurologic response may be expected with a dosage of vitamin B12 sufficient to produce good hematologic response