Rosemary
Description
Rosemary (Rosmarinus officinalis) is an aromatic evergreen shrub native to the Mediterranean region, traditionally used as a culinary spice and for its medicinal properties. Its distinct flavor and fragrance come from its volatile oils and a wealth of bioactive compounds, including rosmarinic acid, carnosic acid, and various flavonoids, which contribute to its therapeutic potential. The herb is particularly renowned for its potent antioxidant activity, helping to protect cells from oxidative stress and damage. Additionally, rosemary exhibits anti-inflammatory effects, which can be beneficial for various bodily systems. It is also often associated with cognitive enhancement, with research exploring its potential to improve memory, concentration, and overall brain function. Beyond its internal uses, rosemary is popular in aromatherapy and topical applications for stimulating hair growth and improving skin health. It's a versatile herb recognized by both traditional herbalists and modern scientific research for its wide array of health-promoting benefits, supporting overall wellness and vitality.
Sources
Mediterranean region (native plant)Herbal teasCulinary spiceEssential oils
Cheapest Rosemary supplements
Best Rosemary supplements
Value Rosemary supplements
Timing & Intake
AnytimeWith food
Can be consumed as a culinary herb or tea throughout the day. Supplements are often recommended with meals to enhance absorption and minimize potential mild gastric upset.
Optimal Dosage
Minimum500 mg
Maximum1500 mg
Safety & Toxicity
Goals
Cognitive Support
Impact
Lower effect
Typical dose:500–1000 mg
While research on rosemary's components like carnosic acid shows promise in lab settings for antioxidant and anti-inflammatory effects, strong evidence from human trials on oral rosemary supplements demonstrating significant, reliable cognitive improvements is lacking. Most positive human studies involve aromatherapy, not ingestion. The 'BEST_EFFECTIVE' rating is a significant overstatement.
View goal →
Anti-Inflammatory Support
Impact
Situational effect
Typical dose:500–1000 mg
Rosemary extract offers valuable polyphenol compounds that help reduce oxidative stress and inhibit some inflammatory enzymes. It is a beneficial supportive botanical but is not typically used as a primary agent for potent, systemic anti-inflammatory effects in the same way as curcumin or boswellia.
View goal →
Stress Relief
Impact
Situational effect
Typical dose:200–500 mg
Rosemary contains compounds like rosmarinic acid that have neuroprotective and mild anxiolytic effects. While aromatherapy with rosemary oil is proven to lower cortisol, the evidence for oral supplementation in directly reducing felt stress is less robust than primary adaptogens, making it a situational choice for cognitive support during stress.
View goal →
Interactions
Positive Interactions
Vitamin C
Rosemary's antioxidants can synergistically enhance the protective effects of Vitamin C against oxidative stress.
Turmeric
Both Rosemary and Turmeric (Curcumin) possess strong anti-inflammatory properties, potentially offering synergistic benefits for managing inflammation.
Green Tea
Both herbs are rich in antioxidants and polyphenols, providing complementary protection against free radical damage.
Ginkgo
Both Rosemary and Ginkgo are studied for cognitive enhancement; combining them may offer synergistic support for memory and brain function.
Coenzyme Q-10
Rosemary's antioxidant properties can support the function of Coenzyme Q-10 in cellular energy production and protection against oxidative stress.
Omega-3
The anti-inflammatory effects of rosemary can complement the broad anti-inflammatory benefits provided by Omega-3 fatty acids.
Negative Interactions
Omega-3
High doses of Rosemary may have mild anticoagulant effects; caution is advised when combined with high doses of Omega-3, EPA, DHA, or Fish Oil, which also have blood-thinning properties, as this could theoretically increase the risk of bleeding.
EPA (Eicosapentaenoic Acid)
High doses of Rosemary may have mild anticoagulant effects; caution is advised when combined with high doses of EPA, Omega-3, DHA, or Fish Oil, which also have blood-thinning properties, as this could theoretically increase the risk of bleeding.
DHA
High doses of Rosemary may have mild anticoagulant effects; caution is advised when combined with high doses of DHA, Omega-3, EPA, or Fish Oil, which also have blood-thinning properties, as this could theoretically increase the risk of bleeding.
Fish Oil
High doses of Rosemary may have mild anticoagulant effects; caution is advised when combined with high doses of Fish Oil, Omega-3, EPA, or DHA, which also have blood-thinning properties, as this could theoretically increase the risk of bleeding.
Recommended products
Budget 
St. John's Wort 300 mg
Nature's Way
Rosemary : 80 mg
This St. John's Wort supplement combines mood support with Rosemary for cognitive benefits and Spirulina for general nutritional upkeep, offering a well-rounded daily option.
Best 
GABA Brain Food
NS Natural Stacks
Rosemary : 333 mg
This blend combines GABA for relaxation with L-Citrulline and botanical extracts, aiming to support a calm mind and general well-being, though some ingredient doses are moderate.
Value 
Pycnogenol Supreme
Source Naturals
Rosemary : 100 mg
A comprehensive antioxidant and herbal blend that supports overall health, cardiovascular function, and immune system, offering good value in its larger size.
Best 
Rosemary 300 mg
Eclectic Herb
Rosemary : 300 mg
A high-quality, freeze-dried whole herb rosemary (300mg) product, offering good support for cognitive function and anti-inflammatory processes, notable for its gentle processing method and economical price.
Best 
CogniTropic
Premier Research Labs
Rosemary : 310 mg
A premium, multi-ingredient cognitive support blend with patented ingredients (Neumentix, NeuroFactor), choline, and a substantial 310mg dose of whole rosemary, but comes with a very high price.
Best 
Kidney Cleanse
NOW
Rosemary : 150 mg
This supplement features a blend of traditional herbs primarily intended to support kidney and urinary tract health and fluid balance, with secondary benefits from antioxidant-rich ingredients.
Best 
Brain Regain
Protocol For Life Balance
Rosemary : 25 mg
This product delivers a multi-ingredient blend intended to support cognitive function, mental focus, and overall brain health for daily demands.
Budget 
Peppermint Oil Combination Enteric Coated
Swanson Premium Brand
Rosemary : 18 mg
An economical, enteric-coated blend of peppermint, rosemary, and thyme oils, primarily useful for digestive comfort with some minor support for anti-inflammatory and cognitive health.
Best 
Rosemary Extract 500 mg
Swanson Superior Herbs
Rosemary : 500 mg
A high-dose, standardized rosemary extract (500mg rosmarinic acid) that provides excellent targeted support for cognitive function and anti-inflammatory processes at an exceptional price.
Best 
Rosemary 400 mg
Swanson Premium Brand
Rosemary : 800 mg
A high-dose (800mg) whole herb rosemary product, offering broad spectrum benefits for cognitive and anti-inflammatory support at an excellent value.
Value 
Triple Action Cruciferous Vegetable Extract
Life Extension
Rosemary : 50 mg
This product offers a diverse blend of cruciferous vegetable extracts and botanicals, formulated to support cellular health, inflammatory response, and overall well-being.
Best 
Turmeric Supreme Pain
Gaia Herbs
Rosemary : 100 mg
A potent liquid blend primarily for anti-inflammatory support, featuring high-quality supercritical CO2 extracts of turmeric, ginger, black pepper, and 100mg of rosemary.
Budget 
AlliBiotic CF
NOW
Rosemary : 5 mg
An economical blend of immune-supporting herbs, including elderberry and garlic, but with a negligible amount of rosemary oil, thus not ideal for rosemary-specific benefits, stress, or cognition.
Best 
Brain Elevate
NOW
Rosemary : 25 mg
NOW Brain Elevate is a multi-ingredient supplement blending traditional herbs and specific nutrients intended to help with mental focus, memory support, and overall brain function.
Value 
Brain Elevate
NOW
Rosemary : 25 mg
NOW Brain Elevate is a multi-ingredient supplement blending traditional herbs and specific nutrients intended to help with mental focus, memory support, and overall brain function.
Best 
Rosemary Leaf 700 mg
Nature's Way
Rosemary : 700 mg
A simple, high-dose (700mg) whole herb rosemary product offering broad benefits for cognitive and anti-inflammatory support at an exceptionally low price.
Product stats
Price per product
Average$32.83
Median$23.99
Price per serving
Average$0.82
Median$0.64
Price per 10 mg
Average$0.28
Median$0.17
Price distribution
Price per serving distribution
Price per 10 mg
Reference amount: 10 mg
Forms
Paired ingredients
Ingredient forms
Carnosic Acid (11) 90
Carnosic acid is a major phenolic diterpene naturally present in Rosmarinus officinalis (rosemary). It is highly lipophilic, enabling it to penetrate biological membranes effectively. It exerts significant antioxidant effects by activating the Nrf2 pathway and possesses potent anti-inflammatory properties through the inhibition of NF-κB signaling and other inflammatory mediators.
Pros
- Powerful antioxidant activity
- Strong anti-inflammatory effects
- Demonstrated neuroprotective potential
Cons
- Poor water solubility, which can affect formulation
- Bioavailability may vary depending on delivery method
- Potential for interactions with certain medications
Per product
Avg$52.86
Med$38.52
Per serving
Avg$1.09
Med$0.74
Per 10 mg
Avg$0.19
Med$0.21
Price distribution
Carnosic Acid/Carnosol (3) 92
This form combines carnosic acid and carnosol, two prominent phenolic diterpenes found in rosemary. Carnosol, a quinone derivative of carnosic acid, shares and often complements its biological activities. Both compounds are potent antioxidants (via Nrf2 activation) and anti-inflammatory agents (via NF-κB inhibition), potentially offering synergistic benefits.
Pros
- Synergistic antioxidant and anti-inflammatory effects
- Broad spectrum of action due to combined compounds
- Enhanced neuroprotective potential compared to single compounds
Cons
- Similar solubility and potential interaction considerations as carnosic acid alone
- Standardization of ratio may vary between products
Per product
Avg$22.50
Med$24.00
Per serving
Avg$0.33
Med$0.33
Per 100 mg
Avg$0.33
Med$0.33
Price distribution
Diterpenic Compounds (3) 88
This form represents the collective array of diterpenic compounds naturally occurring in rosemary, which includes key constituents like carnosic acid, carnosol, and rosmanol. These compounds are largely credited for rosemary's significant antioxidant, anti-inflammatory, and neuroprotective properties, acting through diverse cellular pathways, including Nrf2 and NF-κB.
Pros
- Comprehensive activity profile from synergistic compounds
- Captures the full spectrum of diterpene-related benefits
- Reflects the natural complex of active compounds in the plant
Cons
- Specific concentrations of individual compounds may vary across extracts
- Less standardized than isolated forms, potentially leading to variability in effects
Per product
Avg$22.50
Med$24.00
Per serving
Avg$0.33
Med$0.33
Per 100 mg
Avg$0.33
Med$0.33
Price distribution
Rosmarinic Acid (3) 87
Rosmarinic acid is a prominent ester of caffeic acid and 3,4-dihydroxyphenyl lactic acid. Although structurally different from the diterpenes, it is another key bioactive compound in rosemary. It exhibits strong antioxidant activity by scavenging free radicals and anti-inflammatory effects through inhibiting pro-inflammatory enzymes (e.g., COX-2, LOX) and pathways (e.g., NF-κB). It also possesses some neuroprotective qualities.
Pros
- Potent antioxidant activity
- Significant anti-inflammatory properties
- Relatively good water solubility compared to diterpenes
Cons
- Bioavailability can be limited due to extensive metabolism
- Less lipid-soluble than diterpenes, potentially affecting brain penetration compared to carnosic acid
Per product
Avg$9.59
Med$9.59
Per serving
Avg$0.15
Med$0.15
Per 100 mg
Avg$0.03
Med$0.03
Price distribution
Carnosol (1) 92
This form combines carnosic acid and carnosol, two prominent phenolic diterpenes found in rosemary. Carnosol, a quinone derivative of carnosic acid, shares and often complements its biological activities. Both compounds are potent antioxidants (via Nrf2 activation) and anti-inflammatory agents (via NF-κB inhibition), potentially offering synergistic benefits.
Pros
- Synergistic antioxidant and anti-inflammatory effects
- Broad spectrum of action due to combined compounds
- Enhanced neuroprotective potential compared to single compounds
Cons
- Similar solubility and potential interaction considerations as carnosic acid alone
- Standardization of ratio may vary between products
Per product
Avg$38.95
Med$38.95
Per serving
Avg$0.64
Med$0.64
Per 100 mg
Avg$0.64
Med$0.64
Price distribution
Carnosol + Carnosic Acid (1) 90
Carnosic acid is a major phenolic diterpene naturally present in Rosmarinus officinalis (rosemary). It is highly lipophilic, enabling it to penetrate biological membranes effectively. It exerts significant antioxidant effects by activating the Nrf2 pathway and possesses potent anti-inflammatory properties through the inhibition of NF-κB signaling and other inflammatory mediators.
Pros
- Powerful antioxidant activity
- Strong anti-inflammatory effects
- Demonstrated neuroprotective potential
Cons
- Poor water solubility, which can affect formulation
- Bioavailability may vary depending on delivery method
- Potential for interactions with certain medications
Per product
Avg$99.95
Med$99.95
Per serving
Avg$0.55
Med$0.55
Per 10 mg
Avg$0.11
Med$0.11
Price distribution