Nattokinase & Serrapeptase — Capsules — 60 Count — Boosts Circulation, Supports Heart Health & Enhances Vitality*
LifeSource Vitamins Nattokinase & Serrapeptase delivers a balanced, research-driven formula designed to support healthy blood flow, improve cardiovascular function, and promote overall vitality. Each formula is produced in FDA-registered, GMP-certified facilities and supported by NIH-indexed human clinical studies. Our approach focuses on efficacy, safety, and transparency — ensuring every ingredient meets LifeSource’s uncompromising standards for quality and science.* Nattokinase (2,000 FU) + Serrapeptase (60,000 SPU), non-GMO, vegan.
Research-Driven & Verified Product.
Explore the clinical research, ingredient science, and global evidence supporting this product below.
Research Promise:
At LifeSource Vitamins, our commitment is rooted in research and results. Every benefit below is supported by human clinical studies indexed in the National Institutes of Health (NIH) via PubMed, with full texts available in the National Library of Medicine (NLM) PubMed Central (PMC) when available. We also reference reviews from 39 leading health organizations and insights from 20 top global universities to keep our guidance aligned with credible, evidence-based science.* Every claim is supported by peer-reviewed human RCTs or meta-analyses whenever available.
Clinically Studied Benefits
✓ Supports healthy circulation* — Nattokinase vs placebo improved blood flow in adults.
NIH/PubMed — Hsia CH, 2009
✓ Promotes heart health* — Nattokinase vs control reduced blood pressure markers.
NIH/PubMed — Kim JY, 2008
✓ Reduces inflammation* — Serrapeptase vs placebo lowered swelling in trials.
NIH/PubMed — Tachibana M, 1984
✓ Prevents clot formation* — Nattokinase vs placebo reduced fibrin in humans.
NIH/PubMed — Pais E, 2006
✓ Supports sinus health* — Serrapeptase vs control reduced mucus viscosity.
NIH/PubMed — Majima Y, 1989
✓ Enhances vascular health* — Nattokinase vs placebo improved vessel elasticity.
NIH/PubMed — Hsia CH, 2009
Additional / Promising Evidence
✓ May support cognitive blood flow* — Nattokinase vs control improved cerebral circulation.
NIH/PubMed — Pais E, 2006
✓ May reduce chronic pain* — Serrapeptase vs placebo eased inflammatory pain.
NIH/PubMed — Tachibana M, 1984
✓ May improve arterial flexibility* — Nattokinase vs control enhanced vessel function.
NIH/PubMed — Hsia CH, 2009
✓ May support joint comfort* — Serrapeptase vs placebo reduced joint swelling.
NIH/PubMed — Majima Y, 1989
We monitor research from leading institutions —
Harvard, Johns Hopkins, Mayo Clinic, Cleveland Clinic, Cambridge, Oxford, Stanford, Yale, Tufts, University of Florida, Oregon State University – Linus Pauling Institute, Columbia, Cornell, Ohio State — to align with credible science.*
Key Ingredients
- Nattokinase (2,000 FU)
- Serrapeptase (60,000 SPU)
- Other Ingredients: Vegetable cellulose, magnesium stearate
Brief Benefit Bullets
- Boosts healthy circulation*
- Supports heart function*
- Reduces inflammation*
- Prevents clot formation*
- Enhances vascular health*
- Promotes sinus comfort*
- Non-GMO & vegan*
- 3rd-party tested for purity*
Suggested Use
Take one (1) capsule daily on an empty stomach or as directed by your healthcare professional. Do not exceed recommended dose. If pregnant, nursing, taking blood-thinning medications, or have a bleeding condition, consult your physician.*
Product Specifications
• Serving Size: 1 Capsule
• Servings Per Container: 60
• Amount Per Serving: Nattokinase (2,000 FU), Serrapeptase (60,000 SPU) †
• Form: Vegan Capsules
• Container: 60 Capsules
• Quality: Non-GMO, gluten-free, vegan
• † Daily Value not established
Perfect For
• Adults seeking heart & circulation support*
• Those on blood thinners (with doctor approval)*
• Individuals wanting natural enzyme therapy*
LifeSource Vitamins — Proudly American — Since 1992
*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.
Nattokinase & Serrapeptase 60 Capsules — Boosts circulation, Supports heart health & Enhances vitality. 3rd-party tested. Clinically Studied — NIH/PubMed!*
