The evidence is old and mixed modern controlled trials are essentially absent
Summary Keywords methylsulfonylmethane, feline nutrition, pet nutrition, kittens, cats, hair quality, fecal microbiota, metabolism Citation Guo D, Zhang L, Zhang L, Han S, Yang K, Lin X, Wen C, Tong A, Zhang M, Yin Y and Deng B (2022) Effect of Dietary Methylsulfonylmethane Supplementation on Growth Performance, Hair Quality, Fecal Microbiota, and Metabolome in Ragdoll Kittens
Furthermore, whether vitamin B12 biomarkers should be tested in the presence of borderline vitamin B12 levels when no suggestive symptoms of deficiency are present in patients taking metformin remains unclear
Modifiers and tips Use 25 when a separately identifiable E/M service is provided in addition to testing or injections on the same day
Use a calorieconscious diet if weight loss is the aim