b12 drops vs injection Vitamin Injections vs. Supplements: Which Works Best? Best Vitamin B12 Injection Sites

Drug Interactions: Certain medications, like metformin and stomach acid reducers (PPIs), can interfere with B12 absorption from food, which may increase the need for injections

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Without prescriber involvement, these interactions can't be managed safely - particularly for medicines with narrow therapeutic windows, such as anticoagulants

Storage Instructions Proper storage preserves compound stability

If a deficiency does not exist, supplementing Vitamin B12 will likely not have the same positive effect. B12 injections are available, for $15 to $50 a pop, at spas and wellness centers, but its smart to talk to your physician before you spend money on them