Vitamin K, 60 Capsules
Size: 60 capsules
May be a fit for
- Adults seeking vitamin K support for healthy bone mineralization
- Individuals maintaining cardiovascular health through proper calcium metabolism
- Those on practitioner-guided protocols requiring foundational vitamin K replenishment
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Thorne Vitamin K delivers vitamin K1 (phytonadione) in capsule form, supporting healthy blood clotting function and bone metabolism. Formulated by a practitioner-trusted brand known for rigorous manufacturing standards, it's designed for individuals seeking foundational cardiovascular and skeletal support.
Why It's Worth Considering: Thorne's commitment to clean excipients and third-party testing makes this a reliable option for clinicians and health-conscious individuals who prioritize purity and consistent potency.
50+ signals. A clearer standard.
Our curation and trust scoring bring together manufacturing, testing, research, practitioner insight and reviews from across the web.
Our score is an editorial assessment, not a product certification or a guarantee of results.
Product details
Who it may suit
May be a fit for
- Adults seeking vitamin K support for healthy bone mineralization
- Individuals maintaining cardiovascular health through proper calcium metabolism
- Those on practitioner-guided protocols requiring foundational vitamin K replenishment
- Older adults supporting bone density with daily vitamin K intake
Considerations
- Known allergy to any ingredient (check label)
- Currently pregnant or breastfeeding (consult healthcare provider)
- Taking prescription medications (check for interactions)
- Under 18 years of age (unless recommended by pediatrician)
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1688 product and brand ratings and mentions across 5 sources.
These are broader practitioner and research perspectives. They may discuss the brand or other products, rather than this exact formula.
Explore the source sentiment summary
K2 benefits for bones and cardiovascular health are well-supported, but Thorne brand trust has sharply declined after PE/LVMH acquisition and R&D team dismissals.
This summary includes broader brand discussion. Individual experiences are not evidence of product effectiveness.
A few useful answers.
Research & further reading
More category questions
How should I store this supplement?
Store in a cool, dry place away from direct sunlight. Most supplements are stable at room temperature (59-77°F). Keep the bottle sealed between uses. Check the label for any specific storage requirements — some probiotics and oils require refrigeration.
Can I take this with other supplements?
Most supplements can be taken together safely. However, some minerals compete for absorption (zinc and iron, calcium and magnesium) and should be taken at different times of day. If you're taking prescription medications, consult your healthcare provider about potential interactions.
How long should I take this supplement?
Most supplements benefit from consistent daily use over 2-3 months to achieve full effect. Some (like vitamins and minerals) can be taken indefinitely as part of a daily routine. Others (like specific herbs) may benefit from cycling. Follow the product's recommended protocol or consult a practitioner.
When is the best time to take this?
Fat-soluble supplements (vitamins A, D, E, K, omega-3, CoQ10) should be taken with a meal containing fat. Water-soluble supplements (B vitamins, vitamin C) can be taken anytime. Minerals are generally best absorbed with food. Probiotics should be taken with or just before a meal. Check the product label for specific timing recommendations.
How do I know if this supplement is working?
Track your specific health goals — energy levels, sleep quality, joint comfort, digestion, mood, etc. Most supplements take 2-8 weeks for noticeable effects. For objective measurement, baseline lab tests before starting (and repeat at 3 months) provide definitive evidence. The Gabriel Score incorporates clinical evidence for expected outcomes.
Supplement information is provided for education and is not a substitute for personalized medical advice. Supplements are not intended to diagnose, treat, cure or prevent disease. Read the current product label before use.