I'm adding several to our itinerary
It acts primarily on fat metabolism pathways, making it highly specific compared to HGH
Certain medications may also interfere with absorption and cause deficiency, in particular, medicines prescribed for heartburn, antibiotics, blood pressure medicine, cholesterol-lowering drugs, diabetes medications and antipsychotic drugs
The decision was a result of restricted access to healthcare facilities and supply chain bottlenecks during Covid | Getty Images Although it is not well defined, B12 deficiency has an estimated prevalence of around six percent in people under the age of 60 and closer to 20 percent in people aged over 60
Status Not FDA-approved as of June 2026
Explore all available options in our [best weight loss injection 2026 guide](/guides/best-weight-loss-injection-2026-complete-guide) and our [complete injectable peptides guide](/guides/injectable-peptides-guide-types-benefits-safety)