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Natal•K™ is a certified USDA Organic vitamin K1 oral supplement. One drop of Natal•K™ contains 500 mcg of vitamin K1 as phytonadione in an organic MCT oil base made from organic coconut. Vitamin K1 is the dominant form of vitamin K found in the diet. It is present in many vegetables, predominantly leafy greens. Vitamin K1 plays a crucial role in blood clotting. ✝︎
Dr. Green Mom® Oral Natal•K™ has been extensively tested to meet and EXCEED all government rules and regulations. If you would like to know the exact breakdown of testing and results, the Certificate of Analysis, you may click here (2021 COA), here (2023 COA), here (2025 COA) and third-party stability certification (August 2023).
This guide provides general descriptions of the recommended uses of Natal K™ and frequently asked questions. Always speak to your doctor before starting a new supplement regimen for yourself or your children.
Infants are born low in vitamin K1. Though all infants are recommended a vitamin K1 injection at birth, some parents choose to give their infants vitamin K1 oral supplementation in addition to, or instead of, injected vitamin K1.
Below is one possible dosing strategy for vitamin K1 for infants. However, there are other options, so speak to your healthcare provider for individual guidance.
Example of the Denmark Study Dosing Strategy Using Natal K™:
Natal K™ should be given after a fat-containing meal for maximum absorption. (Formula and breastmilk are both fat-containing meals.) If there is reflux within 1 hour, refer to the FAQ section below for redosing guidance.
Vitamin K1 is important for pregnant women as it supports healthy blood clotting.✝︎ Most people are able to consume adequate vitamin K1 through diet and prenatal vitamin supplementation. Adequate intake for pregnant women is 90 mcg/day. However, there are some cases in which pregnant women need additional vitamin K1, and Natal•K™ may be a helpful supplement.✝︎
Consult your physician for guidance.
Vitamin K1 may be taken by breastfeeding women to enrich the vitamin K1 content of their breastmilk to levels comparable to those of formula.✝︎
The dose of vitamin K1 shown to enrich breastmilk is 5 mg per day, which is equal to 10 drops of Natal K™ per day.Natal K™ Dosage for Breastfeeding Moms:
Natal•K™ should be taken after a fat-containing meal for maximum absorption.
High dietary vitamin K intake is associated with improved cardiovascular health.✝︎ Natal•K™ has a high dose of vitamin K1, which may be more than what is optimal for daily health promotion. Weekly, monthly, or seasonal dosing may be more appropriate.
Certain conditions and medications put people at increased risk for vitamin K1 deficiency. Natal•K™ may be helpful in treating or preventing vitamin K1 deficiency.✝︎Consult your physician for guidance.
Use the dropper provided with the supplement and drop the vitamin K1 liquid directly onto the tongue. For optimal absorption, consume after a fat-containing meal. For infants, formula and breastmilk are both fat-containing meals.
Use the provided dropper to count individual drops. Dosing is based on drops, not dropperfuls.
WARNING: Keep out of reach of children
Organic Natal•K™ contains NO artificial flavors, colors, or preservatives.
According to most oral vitamin K protocols, if your baby spits up within 1 hour of giving Natal•K™, repeat the dose at the next feeding. Consult your healthcare provider to see if this applies to you and for further assistance.
According to most oral vitamin K protocols, if you have missed a dose of Natal•K™ for your infant, simply give the missing dose at the next feeding if less than 48 hours have passed. Consult your healthcare provider to see if this applies to you and for further assistance.
Vitamin K1 has a very low risk of toxicity; however, this is a medical question and should be directed to your doctor or midwife.✝︎ Consult your healthcare provider for assistance.
If Natal•K™ is not started on the same day as birth, families should consult their pediatrician or midwife for guidance on next steps.
Yes, in some cases infants can have both oral vitamin K and injected vitamin K.✝︎ Consult a healthcare provider to determine if this is right for your child.
It is our opinion that Natal•K™ should not be used for infants who are premature, high risk, unwell, or who have cholestasis or diarrhea.
Vitamin K1 and antibiotics can interact due to antibiotics potentially reducing vitamin K levels in the body. Antibiotics can disrupt the gut bacteria responsible for vitamin K production, which may lead to a deficiency, especially with prolonged use. Those currently taking antibiotics should consult with their physician for guidance.
Natal•K™ is not recommended for babies born to mothers who are taking carbamazepine, phenobarbital, phenytoin, rifampicin or warfarin at the time of delivery.
Additionally, vitamin K should be used with caution by those with glucose 6 phosphate deficiency and/or kidney disease. Speak to your healthcare provider.
Vitamin K interacts with certain drugs, including warfarin, phenytoin, orlistat, olestra, some cholesterol-lowering medications, some antibiotics, and others. Anyone currently taking these drugs should consult their physician for guidance.
Vitamin K1 has very low toxicity potential and as of now there is no upper limit identified. ✝︎ However, it may be possible to take too much vitamin K1. Consult your doctor to find out what is right for you.
People of all ages can take Natal•K™. For individual advice, consult your healthcare provider.
Yes, Natal•K™ can be taken with multivitamins. Consult a healthcare provider to determine if this is right for you or your child.
Vitamin K1 is the dominant form of vitamin K found in the diet. It is present in many vegetables, predominantly leafy greens. Vitamin K2 is primarily found in meat and food that has undergone processing by bacteria (e.g. sauerkraut, cheese, natto). Vitamin K2 is also synthesized by gut bacteria - approximately 50% of our vitamin K requirement is produced by our microbiome.✝︎
Vitamin K1 is primarily known for its essential role in the blood clotting system. Vitamin K2 is primarily known for its benefits to bone health, cardiovascular health, and metabolic health.✝︎
Looking for a vitamin K2 supplement? You may be interested in Vitamin D3 Drops for Kids (400IU)
The Denmark study can be found here.
Our purpose at Dr. Green Life™ is simple: to provide ethically sourced, high quality, and affordable products to families wanting to live life the way nature intended. We offer superior customer service and a promise to never compromise on product ingredients. We hope to become your family’s #1 source of healthcare products!
We pledge to use only herbs that are organically grown, ethically wild-harvested, or selectively imported. We do not use threatened botanicals, such as echinacea, goldenseal, or ginseng, from the wild. Rather, we purchase endangered crops from local certified organic growers. This select group of wild harvesters understand the value in ethical wild harvesting and preserving the environment. A purchase from us also supports farmers and wild harvesters dedicated to a sustainable future!
We guarantee that our herbs are harvested and processed at the peak of their potency to maximize effectiveness. Our herbs are never fumigated or irradiated. A 9-step water filtration and purification system is used to create super solvent water for extraction.
For product potency and full spectrum extracts, we use:
When you get a shipment from Dr. Green Life™, you can be certain that what’s on the label is what’s inside! We test 100% of the ingredients that come into our manufacturing facility. Then we test each formulation and finished product before we ship it to ensure that it remains pure, potent, and stable. Our manufacturer’s scientists use more than a dozen different tests to evaluate ingredients and products, including:
At Dr. Green Life™, we take pride in the quality of our products. Our children deserve the highest quality and purest ingredients available. Our herbal ingredients come from small organic farmers and ethical wild harvesters to ensure potency and purity. We believe in our products and fully stand behind them from start to finish.
We are committed to ingredient integrity, ethical sourcing, and never compromising on what goes into our formulations — because your family deserves the same level of care we expect for our own.
This content is for educational purposes only and not a substitute for medical advice. Always consult your healthcare provider before beginning any supplement program.
✝︎ These statements have not been evaluated by the Food and Drug Administration (FDA). This product is not intended to diagnose, treat, cure, or prevent any disease.
