The leaves of aloe vera (Aloe vera syn. A. barbadensis, Asphodelaceae) contain more than 200 phytochemical substances, including vitamins, minerals, amino acids, active enzymes, anthraquinones, sterols, lignin, saponins, and salicylic acids. Among its amino acids, the most abundant one is arginine; the rarest one is tyrosine, a precursor to thyroid hormones T4 (thyroxine) and T3 (triiodothyronine). These authors examined the effects of aloe vera juice (AVJ) in women with Hashimoto’s thyroiditis (HT)-related subclinical hypothyroidism (SCH) and high levels of thyroperoxidase auto-antibodies (TPOAb). The personal experience of one of the authors who had a history of HT-related SCH prompted this study. She began drinking 50 mL of AVJ in the morning on an empty stomach as a skin soother and laxative. After three months and more so after six months, she observed remarkable improvements in her thyroid function.

Recruited for this study were women aged 30 to 55 years…