US$ 27.24
subcutaneous vs intramuscular b12 injections Best Vitamin Injection Sites: Where to Inject B12 · PA Relief Subcutaneous Injection | Step-by-Step Procedure
Description
The "three months for shedding, six months for growth" framing common in hair loss communities reflects this biology
Effects may include increased energy, improved mood, and enhanced focus

Some people find that they prefer to have smaller quantities of B12 injected weekly or fortnightly, and others would rather take larger doses of B12 monthly
In some cases, people might experience dizziness, headache, or an allergic reaction
These symptoms can sometimes discourage patients from continuing their treatment

Therefore, ethical approval were not required
