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B12 Supplements (MAJOR EFFECT) Oral B12 Supplements: Typical dose: 1000 mcg (1 mg) Absorption: ~1-2% passively absorbed (10-20 mcg from 1000 mcg dose) Effect on serum B12: Can increase by 100-300 pg/mL within 24 hours Peak effect: 4-8 hours after oral supplement Intramuscular B12 Injections: Dose: Usually 1000 mcg Effect: Massive increase in serum B12 Can reach 1000-5000 pg/mL within hours Sustained elevation for weeks Recommendation: Stop oral supplements 3-7 days before testing (ideally 7 days) Wait 1-2 weeks after injection before testing 2
The rationale for the blend is pathway separation: local connective-tissue activity from BPC-157 alongside systemic actin-regulatory activity from TB-500
| 2024 Edition Following extensive product testing and review, we recommend purchasing TB-500 nasal spray from the following two vendors
US$ 21.30
US$ 21.92
US$ 23.15
US$ 29.96
US$ 22.56
US$ 29.39
US$ 26.29
