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At 4 mg weekly, participants lost approximately 17.5% body weight over 48 weeks
Both are available and both are dramatically cheaper than in the United States
In the U.S., injectable B12 (cyanocobalamin and hydroxocobalamin) is only available with a prescription, as regulated by the FDA
While federal law allows the prescription of compounded drugs, they are not reviewed for safety, effectiveness, or manufacturing
This route achieves near 100% bioavailability and allows for relatively painless self-administration with minimal technical skill required
US$ 24.94
US$ 28.11
US$ 22.75
US$ 26.05
US$ 27.87
US$ 27.56
US$ 25.07
US$ 22.86
US$ 28.05
US$ 24.19
