b12 injection lump Golf sized on my leg post injection… never happened in 3+ years. : r/Testosterone How to Avoid Testosterone Injection
Description
200-250 pounds (90-113kg): Consider 450-500mcg daily

However, injections are much more efficient for a number of reasons: Higher Absorption Rate : B12 Injections directly bypass the digestive system so that the Vitamin B12 gets absorbed by the body as efficiently as possible

Individualized Frequency Adjustments Even though the standard is 1000 mcg monthly, some might need more or less often
This site is often used by clinicians for larger doses
