Should I change the form of nutritional supplements for better absorption after surgery?

Does the absorption or effectiveness of oral nutritional supplements change after bariatric surgery, liposuction, or abdominoplasty?

If anyone has switched to a different form—such as injections, hyaluronic acid, patches, or powders—due to reduced absorption, please share your experience.

Please also share your experience with coordinating the timing with medications (antibiotics, anesthetics).