The FDA prescribing information explicitly warns against taking vitamin A supplements alongside isotretinoin because of the risk of additive hypervitaminosis A toxicity, which can produce symptoms including pseudotumor cerebri (raised intracranial pressure), hepatotoxicity, and bone changes [1]
Accurate dosage is 1ml which is 5mg every 4 weeks

Composition & Format Per vial composition: TB-500 5 mg + BPC-157 5 mg + GHK-Cu 50 mg (total 60 mg) Peptide form: blue copper lyophilized powder in clear glass vials Kit size: 10 vials/kit (standard wholesale pack) Label and tray options can be customized for OEM/private-label projects Key Features for Wholesale Buyers High-purity blend of TB-500, BPC-157 and GHK-Cu for recovery- and skin-focused research models Consistent blue copper appearance for easy visual identification in mixed peptide inventories Factory-direct supply from China with support for bulk orders and rebranding Flexible packaging solutions for distributors, resellers and online peptide shops Batch documentation and quality files can be arranged for regular clients Packaging & Ordering Standard pack: 10 vials/kit, each vial containing 60 mg total peptide content Kits are packed in plastic trays and export cartons, prepared for international shipping For wholesale pricing, OEM options and current lead time , please contact us for a quotation or proforma invoice After payment confirmation, you will receive processing and dispatch updates within around 3 business days Storage & Handling Store vials sealed at 28 C , protected from light and moisture Avoid repeated freezethaw cycles

NCT04002024
I was shocked to learn that only about one in 10 men actively use sunscreen, and thats at the beach, on the golf course, or at the pool, when youre going to get fried, he says
It is widely available through licensed pharmaceutical suppliers and is the diluent most commonly specified in UK trial protocols and compounding guidance from the Specialist Pharmacy Service (SPS)