MaxLife Naturals Proheal BPC-157 & TB4 In Pakistan MaxLife Naturals Proheal " is a product marketed as a dietary supplement containing the peptides BPC-157 and TB-500 (also known as TB4 or Thymosin Beta-4). It is important to understand that this product category differs significantly from standard vitamins or minerals. Here is the context regarding these compounds and their regulatory status. What are BPC-157 and TB4? These are peptides—short chains of amino acids—that have gained attention in the wellness and athletic communities. How to Use: Take 1 capsule daily after a meal. Or use as directed by a healthcare professional.