Vitamin K 500 mcg®
Single Vitamin & MineralBrand: Source Naturals
Functions
Net Contents
200 Tablet(s)
Serving Size
1 Tablet(s)
Servings Per Container
200
Supplement Form
Tablet or Pill
Bar Code (UPC/SKU)
0 21078 01450 8
Product Version
SN1450 REV C211 FG-110813
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
2 distinct active ingredients are disclosed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
2 ingredients report a %DV; 1 meet or exceed 100% DV.
Label states: Vegetarian.
This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.
Allergen Guide
Contains
- Milk
- Egg
- Soy
Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.
Supplement Facts
Serving Size: 1 Tablet(s) · 1 per day
| Ingredient | Amount Per Serving | % Daily Value |
|---|---|---|
| Vitamin K(Phytonadione) | 500 mcg | 416% |
| Calcium(Dibasic Calcium Phosphate) | 55 mg | 4% |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Suggested Use: 1 tablet daily, preferably with a meal.
Warnings & Precautions
Precautions re: Pregnant or Nursing or Prescription Medications
Caution: If you are taking anticoagulant drugs, such as warfarin (Coumadin), or if you are pregnant, may become pregnant, or breastfeeding, consult your health care professional before using this product.
Precautions re: All Other
Do not use if either tamper-evident seal is broken or missing.
Precautions re: Children
Keep out of the reach of children.
Storage
Storage
Store in a cool, dry place.
Formulation
Formula re: Contains
Vitamin K, or phytonadione, is a fat-soluble vitamin best known for its important function in the biological activity of several blood coagulation factors. Recent research has also shown a role for vitamin K in bone health. Vitamin K plays a key role in the synthesis of the bone proteins osteocalcin and matrix Gla-protein, which are involved in calcium and bone metabolism.
Formulation re: Vegetarian/Vegan
Suitable for Vegetarians.
Formulation re: Does NOT Contain
Contains no yeast, dairy, egg or soy. Contains no starch, preservatives, or artificial color, flavor or fragrance.
FDA Statements
FDA Statement of Identity
Dietary Supplement
FDA Disclaimer Statement
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.
Other Label Statements
Brand IP Statement(s) re: (c), (TM), (SM)
Copyright SOURCE NATURALS, INC.
Manufacturer & Distributor
Distributor
Source Naturals, Inc.
P. O. Box 2118, Santa Cruz, CA, 95062
Market Reference
Source Naturals 100 Tablets
Vitacost.com4.7(491)$9.57LowestSource Naturals 60 Tablets
iHerb4.8(342)$13.25Vitamin K2 Advantage Source Naturals
iHerb4.7(106)$21.45Superior Source MicroLingual Tablets
Target4.6(150)$22.99Superior Source Vitamin K1 500 mcg
PureFormulas.com4.7(3)$13.59Nature's Plus Garden Organic 60 Capsules
Swanson Health Products4.7(572)$16.79Superior Source Advanced Triple K 30 Tablets
William's Natural Foods4.8(13)$23.19
Where to Buy Locally
Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.
Showing representative supplement & health retailers — search above for stores in your area.
GNC
3.6 (150)Vitamin & supplements store
549 6th Ave, New York, NY 10011
The Vitamin Shoppe
4.4 (103)Vitamin & supplements store
257 8th Ave, New York, NY 10011
The Vitamin Shoppe
4.4 (169)Vitamin & supplements store
385 5th Ave, New York, NY 10016
GNC
3.8 (65)Vitamin & supplements store
600 8th Ave, New York, NY 10018
GNC
3.7 (106)Vitamin & supplements store
2 Broadway, New York, NY 10004
The Vitamin Shoppe
4.5 (145)Vitamin & supplements store
NW corner of 55th & 8th, 931 8th Ave, New York, NY 10019
GNC
4.2 (274)Vitamin & supplements store
134-136 Fulton St, New York, NY 10038
The Vitamin Shoppe
4.5 (102)Vitamin & supplements store
81-27 37th Ave, Jackson Heights, NY 11372
Research & Studies
Vitamin K as a diet supplement with impact in human health: current evidence in age-related diseases
DC Simes, CSB Viegas, N Araújo, C Marreiros - Nutrients, 2020 - mdpi.com
… natural sources of vitamin K and formulations to improve absorption and bioavailability. This new information will contribute to foster the use of vitamin K … of vitamin K deficiency focusing …
2020237 citationsVitamin K–sources, physiological role, kinetics, deficiency, detection, therapeutic use, and toxicity
P Mladěnka, K Macáková, L Kujovská Krčmová… - Nutrition …, 2022 - academic.oup.com
… activity of vitamin K, which is not a single compound but a general term … natural plant and animal forms of vitamin K (K 1 and K 2 ) as well as their synthetic congeners (K 3 and K 4 ). …
2022357 citationsSupplementary Report on Vitamin K
AM Snell, HR Butt - Journal of the American Medical Association, 1939 - jamanetwork.com
… In April 1939 a report on the sources, nature and clinical use of vitamin K was prepared by one of us (Snell1) at the request of the Council on Pharmacy and Chemistry. Since the …
193919 citationsThe comprehensive review on fat soluble vitamins
P Ravisankar, AA Reddy, B Nagalakshmi… - IOSR Journal of …, 2015 - researchgate.net
… of vitamin K for Men is 120 mcg and for women is 90 mcg. 80 % … Vitamin K can be founding in meat, eggs, cow's milk and pig's liver. However, vegetables are a richer source of vitamin K …
2015137 citationsThe pill book guide to natural medicines: Vitamins, minerals, nutritional supplements, herbs, and other natural products
M Murray - 2008 - books.google.com
… the body’s ability to utilize vitamin K. Hence, people taking Coumadin are advised to avoid consuming green leafy vegetables and vitamin formulas that contain high levels of vitamin K. …
200822 citationsVitamin K–containing dietary supplements: comparison of synthetic vitamin K1 and natto-derived menaquinone-7
LJ Schurgers, KJF Teunissen, K Hamulyák… - Blood, 2007 - Elsevier
… The function of all forms of vitamin K is that they serve as a … , vitamin K is oxidized into its epoxide form (KO), which is reconverted to vitamin K quinone (K) by the enzyme vitamin K …
2007600 citations
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2022-08-23. DSLD Label ID: 275188. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.
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