Also known as: Tulsi, Ocimum tenuiflorum, Ocimum sanctum
Holy basil (Tulsi) is a revered Ayurvedic adaptogen used for over 3,000 years to combat stress, support immune function, and promote overall well-being. Modern research supports its anxiolytic, anti-inflammatory, and metabolic benefits.
Holy basil (Ocimum tenuiflorum, formerly O. sanctum) is an aromatic perennial herb in the Lamiaceae family, native to the Indian subcontinent and considered sacred in Hinduism. Three main varieties are used medicinally: Rama (green leaves), Krishna (purple leaves), and Vana (wild-growing). The herb contains a complex phytochemical profile including eugenol, rosmarinic acid, apigenin, ursolic acid, and ocimumosides A and B. These compounds contribute to its broad spectrum of pharmacological activities: eugenol provides anti-inflammatory and analgesic effects via cyclooxygenase inhibition; rosmarinic acid acts as a potent antioxidant; and ocimumosides reduce corticosterone levels, mediating its adaptogenic properties. Clinical trials have demonstrated reductions in perceived stress, anxiety, and depression scores, as well as improvements in blood glucose and lipid profiles. The herb also exhibits antimicrobial and immunomodulatory properties. Holy basil is consumed as a tea (Tulsi chai), supplement capsules, or fresh leaves and is generally regarded as safe with a long history of dietary use.
Clinical trials show that holy basil extract significantly reduces perceived stress, anxiety, and depression scores. Its adaptogenic mechanism involves cortisol modulation via ocimumosides and HPA axis regulation.
A systematic review found that holy basil supplementation improves fasting blood glucose, postprandial glucose, and lipid profiles in individuals with metabolic syndrome or type 2 diabetes.
Rosmarinic acid and eugenol in holy basil scavenge free radicals and inhibit COX-2 and pro-inflammatory cytokines, contributing to systemic anti-inflammatory effects observed in clinical settings.
Morning and/or afternoon; can be taken with or without food
Clinical trials have used doses up to 1.200 mg/day of leaf extract. Tulsi tea (infusion of dried leaves) is a traditional and pleasant way to consume holy basil.
Divided into two doses, with meals
Monitor blood glucose levels when combining with diabetes medications.
Consistent dosing for stress and metabolic support
Daily relaxation and mild adaptogenic support
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