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After 4 to 6 weeks, your leg should be able to handle your full body weight
If you take too much, you may experience unpleasant side effects, but too little may stall your weight loss
This 10 mg/mL concentration has become the default for a reason
The key takeaways about B12 shots vs IV infusions center on matching the delivery method to your specific health needs: B12 shots deliver a single nutrient via intramuscular injection, making them ideal for routine maintenance and diagnosed deficiencies at a lower cost per session
A more recent review describes this as a bidirectional relationship: GLP-1 drugs can shift the microbiome, and a person's existing microbiome may also predict how well they respond to the medication ( Frontiers in Endocrinology , 2026)
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