Whereas if your food comes from one area, you might be able to get enough iodine just eating whatever you want, and in another area, you wont
Study Billon 2023 chronic Duration 28 days Dose & Route 50 mg/kg IP twice daily Outcome (Mouse) Raised oxidative muscle fibers and OXPHOS proteins
B12 books I found useful "What You Need to Know About Pernicious Anaemia and B12 Deficiency" by Martyn Hooper Martyn Hooper is the chair of PAS (Pernicious Anaemia Society)
For example, in 2015, a randomized clinical trial of elderly men with sarcopenia found that 15g of daily collagen peptide supplementation, in combination with resistance training, led to improvements in multiple parameters: muscle strength, fat mass, and fat-free mass.40 For another example, a 2023 study of subjects with ultrasound-confirmed musculoskeletal inflammation concluded that locally injected collagen peptides could effectively and safely treat collateral ligament pain, indicating positive implications for physical recovery.41 It isnt clear how collagen compares to other peptides in facilitating these outcomes, as head-to-head studies arent available