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The lack of robust human clinical trials

The search strategy employed a combination of keywords and Medical Subject Headings (MeSH) terms related to thyroid disorders (hyperthyroidism, hypothyroidism, Graves disease, Hashimotos thyroiditis, goiter, thyroid nodules, thyroid cancer) and natural products (medicinal plants, herbal medicine, phytochemicals, natural products, plant extracts) alongside specific plant names mentioned in the text

Vitamin B12 is essential for energy production, red blood cell formation, and how efficiently your metabolism runs, which all work together to keep you feeling refreshed and energized

Vitamin D deficiency is also prevalent and supplementation has been associated with improvements in eye contact, repetitive behaviors, and social interactions