how do you take b12 injections Best Vitamin Injection Sites: Where to Inject B12 · PA Relief How to Give a B12
Description
Scroll up a bit to see the full comment w/link to the article it mentions
If symptoms persist despite regular oral supplementation, absorption may be limited
Most people do not experience symptoms from high B12 itself
The cyano version has to be turned into methyl version in order to have any effect
