Holy Basil (Tulsi)
Adaptogen
Also known as: Tulsi, Ocimum tenuiflorum, Ocimum sanctum, Holy Basil, Holy Basil (Tulsi) for Adrenals
B
Grade B💊 300-600mg extract or 2-3 cups tea🎯 7 primary uses🔗 3 synergies⚠️ Review warnings
Levels upStress & Resilience+50 pts
Overview
Ayurvedic herb specifically effective for cortisol reduction and stress adaptation.
Primary Uses
Stress adaptationCortisol balanceBlood sugarRespiratoryCortisol reductionCortisol modulationAdrenal support
Frequently Asked About Holy Basil (Tulsi)
How much Holy Basil (Tulsi) should I take?
The typical effective range is 300-600mg extract or 2-3 cups tea. Individual needs vary based on age, body weight, diet, and goals — start at the lower end and adjust based on response. Always consult a healthcare provider before starting a new supplement.
When is the best time to take Holy Basil (Tulsi)?
Morning or divided. Consistency matters more than perfect timing — pick a daily anchor (e.g. with breakfast or before bed) and stick with it.
Should I take Holy Basil (Tulsi) with food?
Either.
Does Holy Basil (Tulsi) interact with medications?
Yes — known interactions include Diabetes medications and Blood thinners. If you take any prescription medication, talk to your doctor or pharmacist before starting Holy Basil (Tulsi).
What does Holy Basil (Tulsi) pair well with?
Holy Basil (Tulsi) stacks well with Ashwagandha, Rhodiola, and Bacopa — these combinations either improve absorption or work synergistically toward common goals.
Who should not take Holy Basil (Tulsi)?
Holy Basil (Tulsi) should be avoided or used with caution by people with Pregnancy (may be abortifacient). Pregnant or breastfeeding women should consult a healthcare provider before use.
What are the side effects of Holy Basil (Tulsi)?
Most people tolerate Holy Basil (Tulsi) well. The most commonly reported side effects are Generally well tolerated. Side effects are usually dose-dependent — lowering the dose often resolves them.
Dosage
Typical range
300-600mg extract or 2-3 cups tea
Timing
Morning or divided
With food
Either
Duration
Safe long-term
Special Populations
Daily stress
Research & Studies
Search the literature now
We haven’t curated landmark studies for Holy Basil (Tulsi)yet — one-click into the primary literature here. PubMed (RCTs) is usually the highest-signal starting point.
Search Holy Basil (Tulsi) research
Mechanism of Action
- • Modulates cortisol response
- • Antioxidant effects
- • Adaptogenic via HPA axis
Evidence Quality
Evidence Grade B
Good evidence for stress and blood sugar
Safety & Contraindications
Serious Warnings
- • May lower blood sugar
Contraindications
- • Pregnancy (may be abortifacient)
Common Side Effects
- • Generally well tolerated
Pregnancy & Breastfeeding
Avoid
Liver & Kidney Notes
No concerns
Interactions
💊 Medications
- • Diabetes medications
- • Blood thinners
🧪 Supplements
- • Stacks with other adaptogens
🍽️ Food & Alcohol
- • Pleasant as tea
Stacking & Synergies
Pairs Well With
Avoid Combining With
Nothing specific
Best Goal Synergies
Daily adaptogenic support
Buying Guide
What to Look For
- • Organic sourcing
Standardization Markers
Ursolic acid content
Adulteration risk
Low
Practical Notes
- • Excellent daily tonic
- • Good as tea ritual
- • Particularly good for cortisol
- • Tea form is pleasant ritual
- • Gentler adaptogen
- • Good for cortisol modulation
- • Traditional Ayurvedic sacred herb
Tags
adaptogenstressAyurvediccortisoladrenal
Related Guides
In-depth guides covering Holy Basil (Tulsi) — protocols, comparisons, and use cases.
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Last reviewed: June 2026 by the Formulate Research Team. Sources cited above; methodology and scoring criteria published here.
Cite this page
Formulate Research Team. (2026, June). Holy Basil (Tulsi) — Evidence-Based Supplement Guide. Formulate Supplement Encyclopedia. https://app.formulate-health.app/learning/supplements/holy-basil
Educational content based on published research and our scoring methodology. Not medical advice — consult a qualified healthcare provider before starting, stopping, or changing supplements, especially if you take medications, are pregnant, or have a medical condition.