The honest research caveat is that "theoretically additive" is not "experimentally additive" and a researcher who needs to claim synergy must run the combination versus the components in their own model

The Lipotropic ingredients in Lipo B-Complex tablets are manufactured in an FDA-registered facility, cGMP certified, and each batch is 3rd party tested for quality COMPREHENSIVE B-VITAMIN FORMULA: Contains all essential B-vitamins including thiamine (B1), riboflavin (B2), niacin (B3), pantothenic acid (B5), pyridoxine (B6), biotin, folic acid, and vitamin B12 to support energy production, amino acid metabolism, and cell division LIPOTROPIC SUPPORT: Assists with the breakdown of fats and the production of cholesterol and certain hormones, while supporting proper mobilization of adipose tissue and increased energy throughout the day ENHANCED WITH VITAMIN C AND D3: Each tablet contains 500 mg of vitamin C to boost immune system function and fight fatigue and stress, plus vitamin D3 for additional wellness support
It does not alter insulin sensitivity
Tissue Repair + Collagen GHK-Cu repairs damaged tissue and boosts collagen