Overview
Ayurvedic adaptogen with anti-stress, anti-inflammatory, and glycemic effects.
- Ocimum sanctum leaf
- Standardized extract
- Tea
Forms & variants of Holy Basil (Tulsi)
Different chemical forms of Holy Basil (Tulsi) behave differently. Browse each form's mechanism, bioavailability, and best-use context.
Mechanism of action
Eugenol and ursolic acid modulate cortisol and COX-2.
- · HPA modulation
- · Anti-inflammatory
Effects on the body
Organ system effects
Improves stress and cognitive measures.
Evidence-based benefits
Reduces stress symptoms
Moderate evidenceImproves fasting glucose modestly
Moderate evidencePotential side effects
- · Holy Basil (Tulsi) is generally well-tolerated at evidence-based doses
- · Mild GI discomfort (nausea, loose stools, or bloating) possible at higher intakes
- · Headache or transient fatigue reported by a small fraction of users
- · Allergic or hypersensitivity reaction (rash, itching, swelling)
- · Sleep disturbance if taken late in the day
- · Discontinue and seek medical advice if symptoms are severe, persistent, or include difficulty breathing
Drug interactions
Safety & non-supplemental interactions
Educational summary — always confirm with your clinician or pharmacist before starting, stopping, or combining with prescription therapy.
- ·Pregnant or breastfeeding (insufficient safety data)
- ·Children under 18 (unless directed by a clinician)
- ·Alcohol, benzodiazepines, opioids, sedating antihistamines (additive CNS depression)
Supplement interactions
- AshwagandhaAdaptogenic HPA-axis modulation.
- L-theaninePromotes calm focus without sedation.
No specific avoidances listed.
Dosing & bioavailability
Where to buy
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Third-party testedIndependently verified Holy Basil (Tulsi) — look for USP, NSF, or Informed Sport seals on the label for purity and dose accuracy.Holy Basil (Tulsi) third party tested NSF
CapsulesPre-measured Holy Basil (Tulsi) capsules — easiest for travel and consistent daily dosing without scoops or scales.Holy Basil (Tulsi) capsules
PowderBulk unflavored Holy Basil (Tulsi) powder — best cost-per-gram and flexible dosing for stacking or mixing into drinks.Holy Basil (Tulsi) powder unflavored
Best sellersMost-purchased Holy Basil (Tulsi) products on Amazon — a quick way to see what's reviewed widely before you commit.Holy Basil (Tulsi) best sellerScientific evidence9Show studiesHide studies
Ocimum sanctum for stress and mood
Saxena RC, et al.
6-week RCT of holy basil in stress.
Significant reduction in stress symptoms.
PubMed: Holy Basil (Tulsi) — Reduces stress symptoms
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PubMed: Holy Basil (Tulsi) — Improves fasting glucose modestly
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PubMed: Holy Basil (Tulsi) — randomized controlled trial
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PubMed: Holy Basil (Tulsi) — meta-analysis
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PubMed: Holy Basil (Tulsi) — pharmacokinetics
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PubMed: Holy Basil (Tulsi) — safety adverse events
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PubMed: Holy Basil (Tulsi) — dose response
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Google Scholar: Holy Basil (Tulsi) — clinical evidence
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