25% off Immune Support Products Code: IMMUNE25
25% off Immune Support Products Code: IMMUNE25
25% off Immune Support Products Code: IMMUNE25
Benefits of Olive Leaf Extract:
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Olive Leaf — 20% Oleuropein Standardized Extract — 60 Vegetarian Capsules — Immune & Cardiometabolic Support*
LifeSource Vitamins Olive Leaf provides a standardized olive leaf extract (20% oleuropein) to support healthy immune defenses, vascular wellness, and antioxidant protection. Produced in FDA-registered, GMP-certified facilities and 3rd-party tested for identity, purity & potency.*
• Supports healthy blood pressure* — Olive leaf extract lowered systolic/diastolic measures in adults with stage-1 hypertension. (NIH/PubMed — Susalit E, 2011)
• Improves vascular health & lipids* — Phenolic-rich OLE improved blood pressure and lipid profile. (NIH/PubMed — Lockyer S, 2016; NIH/PMC — Lockyer S, 2016)
• Promotes insulin sensitivity* — 12-week RCT improved insulin sensitivity and β-cell function in overweight men. (NIH/PubMed — de Bock M, 2013; NIH/PMC — de Bock M, 2013)
• Shortens sick-day duration* — Season-long OLE reduced illness duration in athletes. (NIH/PubMed — Somerville V, 2019; NIH/PMC — Somerville V, 2019)
• Cardiometabolic support* — Meta-analyses confirm OLE’s role in BP and lipid management. (NIH/PMC — Razmpoosh E, 2022)
• Blood pressure direction of effect* — Favorable changes shown in pooled RCTs. (NIH/PMC — Ismail MA, 2021)
• Antioxidant support* — OLE improved oxidative-stress markers in human studies. (NIH/PMC — Saibandith B, 2017)
• Cardiometabolic overview* — Controlled trials show positive direction for BP/lipids. (NIH/PMC — Lockyer S, 2016)
• Exercise-season wellness* — As above, reduced sick-day duration supports active adults. (NIH/PMC — Somerville V, 2019)
• Glucose-insulin dynamics* — Reinforces direction of effect for insulin sensitivity. (NIH/PMC — de Bock M, 2013)
• Lipid outcomes* — 8-week trial reported mixed lipid effects, showing importance of standardization. (NIH/PMC — Stevens Y, 2020)
• Metabolic syndrome overview* — Reviews connect olive phenolics with cardiometabolic balance. (NIH/PMC — Saibandith B, 2017)
• BP & lipids (meta-analysis)* — Confirms OLE’s supportive role in hypertension/dyslipidemia. (NIH/PMC — Razmpoosh E, 2022)
• Blood pressure pooling* — Systematic review supports favorable BP outcomes. (NIH/PMC — Ismail MA, 2021)
• Seasonal wellness in athletes* — Reduced sick-day duration supports immunity. (NIH/PMC — Somerville V, 2019)
• BP & lipid direction* — Confirmed hypotensive/lipid-lowering activity. (NIH/PMC — Lockyer S, 2016)
• Global monographs & reviews* — WHO, NCCIH, EFSA/EMA, USP/NSF, ABC, and other public sources confirm olive leaf’s safety and use in cardiometabolic and immune wellness.*
• Supports healthy immune defenses*
• Helps maintain healthy blood pressure already in the normal range*
• Promotes antioxidant protection for cellular health*
• Vegan, non-GMO; made in FDA-registered, GMP-certified facilities*
• Allergy note: contains no soy, dairy, or gluten*
• 3rd-party lab tested for identity, potency & purity
See product label for full instructions, or as directed by your healthcare professional. Do not exceed recommended dose. If pregnant, nursing, taking medications, or have a medical condition, consult your physician.*
• Serving Size — See Supplement Facts label
• Servings Per Container — See Supplement Facts label
• Form — Easy-to-swallow vegetarian capsules
• Free From — Non-GMO, gluten-free; no artificial colors, preservatives or synthetic chemicals*
• Quality — Third-party tested for identity, potency & purity
3rd-Party Testing: Every batch is verified by independent labs for identity, potency, and purity. Click here to see our 3rd-party testing.
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Olive Leaf — 20% Oleuropein Standardized Extract — supports immune defenses, vascular wellness, and antioxidant protection. 3rd-party tested quality. Clinically Studied Ingredients — NIH/PubMed!*

*Disclaimer: These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Always consult your physician before taking any supplements. Individual results may vary. This information is not intended to replace your healthcare provider but to support and enhance that relationship. You are encouraged to do your own research and take an active role in your health decisions. If you are pregnant, nursing, taking medications, or have any medical conditions, consult your healthcare professional before using any supplements discussed on this site.