Athletes who fall into these dietary patterns should consider a multivitamin/mineral supplement after consulting with their doctor and pharmacist. Furthermore, they should consider what is more likely to be inhibiting their performance: marginal vitamin deficiency or chronically low energy intake?
Remember, vitamins and minerals only help convert food into usable energy. They do not give us energy, so simply taking a supplement will not correct the underlying problem of not consuming enough calories to meet the energy demands of exercise.
More: Get (Most of) Your Vitamins From Real Food
What About Vitamin B12 Shots?
There is limited research to suggest that athletes need more B vitamins than their otherwise healthy counterparts. Although regular exercise may use more B vitamins through the metabolic process involved, it is likely athletes make up for any additional vitamin needs through an increased energy intake.More: 18 Energy-Boosting Fruits
Taking a vitamin supplement wouldn't enhance performance in individuals with adequate dietary intakes. Although supplementation is useful when a deficiency is present, it's equally important to correct the underlying problem(s) that led to the deficiency. Supplementation with a multivitamin/mineral will probably suffice when trying to correct a deficiency, although special cases may warrant additional treatments.
One example is a vitamin B12 shot, which is often given to individuals to prevent or treat a severe B12 deficiency and pernicious anemia, and may be a good consideration for strict vegans and the elderly. B12 shots should be received through prescription only and delivered by a trained health professional.
More: Top 5 Vitamins to Aid Muscle Recovery
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