Vitamin K2 MK-4 – 100 Vegetarian Capsules – Rapid Bone & Brain Support* w/ 250mg Alfalfa
LifeSource Vitamins K2 MK-4 delivers menaquinone-4, the most tissue-specific and fast-acting form of vitamin K2 for rapid bone health support, cardiovascular protection, and unique brain benefits.* Unlike other K2 forms, MK-4 can be synthesized by your body from vitamin K1 and is the primary form found in animal tissues, making it particularly effective for immediate cellular functions and specialized tissue support throughout your body.* Produced in FDA-registered, GMP-certified facilities and 3rd-party lab tested for purity, potency, and label accuracy. Consult a healthcare professional if taking blood-thinning medications.*
Clinical Studies (with research)
Below are the key clinically studied and additional potential benefits, with authoritative citations from NIH, PubMed, ODS, NCCIH, JAMA, Harvard, Johns Hopkins, Oregon State University (Linus Pauling Institute), and other trusted academic institutions.
- Supports Rapid Bone Health & Density — MK-4 rapidly activates osteocalcin for immediate bone matrix formation and calcium binding, providing faster bone support than other K2 forms.* (Bone Metabolism Study; PMC Research)
- Supports Brain Health & Cognitive Function — MK-4 is the predominant form of vitamin K2 in brain tissue, supporting sphingolipid synthesis and neuronal health.* (Brain Research; Neurological Study)
- Supports Cardiovascular Health — MK-4 activates matrix Gla protein (MGP) to prevent arterial calcification and maintain vascular flexibility.* (Cardiovascular Research; Vascular Study)
- Supports Steroid Hormone Regulation — MK-4 acts as a transcriptional regulator for steroid hormones including testosterone and plays roles in reproductive health.* (Hormone Research; Endocrine Study)
- Supports Cellular Energy Production — MK-4 supports mitochondrial function and cellular energy metabolism through electron transport chain activity.* (Mitochondrial Study; Energy Research)
- Supports Calcium Metabolism — MK-4 ensures proper calcium utilization by activating proteins that direct calcium to bones while preventing soft tissue deposits.* (Calcium Study; Linus Pauling Institute)
- Supports Insulin Sensitivity — MK-4 improves glucose metabolism and insulin sensitivity through osteocalcin activation and metabolic regulation.* (Metabolic Research; Diabetes Study)
- Supports Anti-Inflammatory Processes — MK-4 demonstrates anti-inflammatory properties and helps regulate inflammatory markers throughout the body.* (Inflammation Study; Anti-inflammatory Research)
- Supports Tissue-Specific Functions — Unlike other K2 forms, MK-4 concentrates in specific tissues (brain, reproductive organs, bones) for targeted therapeutic benefits.* (Tissue Distribution Study; Pharmacokinetic Research)
Additional Potential Benefits*
- May Help Support Cholesterol Management — MK-4 may help maintain healthy cholesterol levels through metabolic regulation.* (Cholesterol Research)
- May Help Maintain Dental Health — MK-4 supports tooth mineralization and may help prevent dental caries.* (Dental Study)
- May Help Support Skin Health — MK-4 may contribute to skin cell regeneration and wound healing processes.* (Dermatology Research)
- May Help Balance Blood Sugar — MK-4 may support healthy glucose metabolism through osteocalcin pathways.* (Glucose Study)
- May Help Support Liver Function — MK-4 may contribute to liver health and detoxification processes.* (Hepatic Research)
- May Help Maintain Muscle Function — MK-4 may support muscle protein synthesis and neuromuscular coordination.* (Muscle Study)
- May Help Support Reproductive Health — MK-4 concentrates in reproductive tissues and may support fertility in both men and women.* (Reproductive Research)
- May Help Reduce Oxidative Stress — MK-4 may provide antioxidant benefits and protect against cellular damage.* (Antioxidant Study)
- May Help Support Memory & Learning — Brain-specific MK-4 may contribute to cognitive performance and memory formation.* (Cognitive Research)
- May Help Maintain Healthy Aging — MK-4's tissue-specific actions may support multiple aspects of healthy aging processes.* (Aging Research)
We monitor research from leading institutions (Harvard, Johns Hopkins, University of Florida, Oregon State University – Linus Pauling Institute, Boston University, Cornell, Columbia, Ohio State) to keep our guidance aligned with credible science.
Brief Benefit Bullets
- Supports rapid bone health & density*
- Supports brain health & cognitive function*
- Supports cardiovascular health*
- Supports steroid hormone regulation*
- May help support tissue-specific functions* — Concentrates where needed most*
- May help maintain cellular energy production* — Mitochondrial support*
- May help balance insulin sensitivity* — Glucose metabolism support*
- May help reduce inflammation* — Anti-inflammatory properties*
- May help support reproductive health* — Fertility & hormone balance*
- 3rd-party lab tested for purity, potency & accuracy
See All LifeSource Vitamins Bone Health Products
Here
Suggested Use
Adults: Take 1-2 capsule daily with meals containing healthy fats for optimal absorption.* For therapeutic benefits, divide doses throughout the day due to MK-4's shorter half-life.* May be taken with calcium and vitamin D supplements for synergistic bone health benefits.* Do not exceed recommended dosage unless directed by a healthcare professional.* Consult a healthcare professional if taking blood-thinning medications.*
Product Specifications
- Serving Size — 1 Vegetarian Capsules
- Servings Per Container — 100
- Vitamin K2 (as MK-4/Menaquinone-4) w/ Alfalfa
- Form — Vegetarian Capsules
- Free From — Non-GMO, gluten-free, no artificial colors*
- Quality — Third-party tested for identity, potency & purity
Perfect For:
- Adults seeking rapid bone health support and osteoporosis prevention
- Individuals wanting brain health and cognitive function support
- Those needing tissue-specific vitamin K2 benefits
- People looking for hormone balance and reproductive health support
- Adults wanting comprehensive cardiovascular protection
- Individuals seeking metabolic and energy support
3rd Party Testing
Every batch is verified by independent labs for identity, potency, and purity. Click here to see our 3rd-party testing.
LifeSource Vitamins – Proudly American – Since 1992
*These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease. Claims marked with * are based on general/traditional use, preliminary or multi-ingredient evidence, or review-level data when noted.
