A complete safety, timing, and dosage guide for combining Vitamin K (K1, K2) with Chamomile — including how the two supplements interact, the best time of day to take each, and which populations should be careful.
Yes, you can take vitamin K (K1, K2) with chamomile — no interaction exists, so it's safe.
Vitamin K and chamomile together are a safe, neutral pair. Chamomile's water-soluble polyphenols do not affect vitamin K's absorption or coagulation pathways, so you can take them at the same time without concern.
Vitamin K is a fat-soluble vitamin that requires dietary fat and bile salts for absorption in the small intestine, where it is packaged into chylomicrons and transported through the lymphatic system. Chamomile's active compounds, such as apigenin and bisabolol, are water-soluble and absorbed directly into the bloodstream through the intestinal wall, following a completely different route. Vitamin K acts as a cofactor for gamma-carboxylation of clotting proteins and bone matrix proteins, while chamomile's flavonoids interact with GABA and serotonin receptors to produce a mild calming effect. Neither nutrient shares a transporter, enzyme, or receptor on a significant scale, and chamomile does not alter bile production or lipid micelle formation. Therefore, there is no biological mechanism by which chamomile would interfere with vitamin K's absorption, activity, or excretion, making the combination physiologically neutral.
You can take them together at the same meal for convenience: take vitamin K with a dinner that includes healthy fat, and drink chamomile tea afterward. There is no need to space them by minutes or hours—your digestive system handles both without competition. If you use vitamin K2 as MK-7, you only need one daily dose with any fatty meal, and chamomile can be enjoyed whenever you feel like unwinding. Consistency matters more than the exact hour, especially if you take anticoagulant medications, so pick a routine you can stick to daily. If you miss a dose, just continue with your normal schedule the next day and do not double up.
The form of vitamin K (K1 as phylloquinone, K2 as MK-4 or MK-7) may affect how long it stays in your body—MK-7 has a longer half-life and can be taken once daily—but both forms interact identically with chamomile. Chamomile can be consumed as a tea, liquid extract, or dried herb in capsules; all forms behave the same with respect to vitamin K, and no form-specific interaction is known.
Vitamin K2 is frequently bundled with vitamin D3 and calcium in bone health supplements, while chamomile typically appears in sleep-support or calming blends with magnesium and L-theanine; however, this specific pair is rarely combined in a single commercial formula.
Yes, you can take vitamin K and chamomile at the same time because they do not interfere with each other's absorption or metabolism. I usually tell my clients to take vitamin K with food containing fat and drink chamomile tea at any point during the meal.
It is safe to combine vitamin K with chamomile daily. I see no reason to skip either supplement, as long as you stay within recommended doses and check with your doctor if you take warfarin or have a bleeding disorder.
You do not need to wait between vitamin K and chamomile; you can take them at the same time or within the same hour. Since they use different absorption pathways, no timing separation is necessary.
No, vitamin K and chamomile do not compete for absorption. Vitamin K is fat-soluble and absorbed through lipid transport, while chamomile's water-soluble compounds pass through a different route, so they can be taken together.
Most people can take vitamin K and chamomile together safely, but I would advise caution if you take blood thinners, are pregnant, or are allergic to ragweed. Always check with your healthcare provider in these situations rather than avoiding the combination outright.
Vitamin K is better absorbed with a meal containing dietary fat, so take it with food. Chamomile can be taken on an empty stomach or with food, so if you are taking both, have them with a meal for convenience.
Reviewed by Caroline M. on April 7, 2026 for accuracy against the sources listed above. This page is educational and is not a substitute for professional medical advice.
The matrix has 86 supplements and 7310 pairwise interactions. Click any cell to see the full breakdown.