l carnitine for hypothyroidism l-carnitine bad 11 Ways to Overcome Hashimoto's Fatigue Exploring the potential anti-thyroid activity – Herbal Therapies for Hypothyroidism[v1]

While B12 may be included, you also receive other energy-boosting nutrients like vitamin C, magnesium, and B-complex vitamins

J Cell Biochem 120:1094510951

Regarding Whey Protein Concentrate: The journal Immunology reports: The bioactivity occurs through the ability of the protein concentrate to help replenish Glutathione levels via continuous dietary provision of Glutathione precursors, especially cysteine, during lymphocyte proliferation, thus supporting an optimal immune response

Lassen CL, Schmid M, Stterlin M, et al

Additional testing may help provide a diagnosis

It stimulates the breakdown of stored fat, particularly visceral fat, which contributes to a more defined and leaner body composition