The needle should be inserted at a 90-degree angle for most patients, though very thin individuals may need to use a 45-degree angle or pinch the skin to ensure subcutaneous rather than intramuscular injection
IV therapy bypasses digestion for direct elevation
The Frequency for B12 shots is every ten days
The injections also assist in detoxifying and improving liver function, which is essential for effective fat metabolism
Given that, the sensible position is to treat the drug-interaction contraindications as firm, particularly antidepressants and stimulants, while accepting that for someone on no such medications the risk is likely small but genuinely unquantified
Concerns may be higher with drugs that affect metabolism, blood sugar, sleep, or methyl-group pathways