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It could be that IC/BPS symptoms are due to a combination of conditions

You may receive B12 injections every 2 days to every 4 days.

B12 Shot from $30 (10 min) A clean and targeted dose of methylcobalamin B12 delivered directly into the muscle for fast energy support

The injections ride along to support your livers fat processing, and your energy if your B12 levels are low, while you do that work

However, it can be legally prescribed for wellness and recovery off-label through licensed U.S

Real-world dosing and outcomes 6-month persister loss about 12-13% (Hankosky DOM 2025), broad-cohort about -9.8% (Adamidis Cureus 2026), telehealth completers near -23% (Duncan Obesity Pillars 2026)