Vitamin K+: Enhancing Weight Loss

Written by Veronica Yoo


When it comes to weight loss, most people focus on factors like diet, exercise, and calorie intake. However, there’s one essential nutrient that often gets overlooked in the weight loss journey: vitamin K. While vitamin K is well-known for its role in blood clotting and bone health, emerging research suggests that it may also play a significant role in weight management. In this blog, we will explore the potential benefits of vitamin K for weight loss and how you can incorporate it into your diet to maximize your results.

What is Vitamin K?

Vitamin K is a fat-soluble vitamin that exists in two primary forms: vitamin K1 (phylloquinone) and vitamin K2 (menaquinone). Vitamin K1 is commonly found in leafy green vegetables, while vitamin K2 is synthesized by bacteria in the gut and is also present in certain animal-based foods. This vitamin is essential for the proper functioning of several proteins involved in blood clotting, bone metabolism, and cardiovascular health.

The Link Between Vitamin K and Weight Loss

While the relationship between vitamin K and weight loss is still being explored, several studies have provided intriguing insights. One study published in the journal “Molecular Nutrition & Food Research” found that vitamin K2 supplementation reduced body weight and fat mass in overweight and obese individuals. Another study published in the “American Journal of Clinical Nutrition” suggested that higher vitamin K1 intake was associated with a lower risk of developing obesity-related diseases.

One possible explanation for these effects is that vitamin K is involved in regulating adipokines, which are hormones secreted by fat cells. Adipokines play a role in various physiological processes, including appetite regulation, insulin sensitivity, and inflammation. Vitamin K may help modulate adipokine levels, thereby influencing weight loss and metabolic health.

Additionally, vitamin K’s role in bone health is crucial during weight loss. As individuals lose weight, they may also experience a loss of bone mass. Vitamin K supports the production of osteocalcin, a protein involved in bone formation, and helps maintain bone density during weight loss.

Incorporating Vitamin K into Your Diet

To boost your weight loss efforts with vitamin K, it’s essential to include food sources rich in this nutrient in your diet. Here are some excellent sources of vitamin K1 and K2:

  1. Leafy Green Vegetables: Spinach, kale, Swiss chard, and broccoli are excellent sources of vitamin K1. Aim to include a variety of these vegetables in your salads, stir-fries, or smoothies.
  2. Fermented Foods: Fermented foods like natto (a traditional Japanese food made from soybeans) and sauerkraut are high in vitamin K2. These can be added to your meals as a side dish or condiment.
  3. Animal-Based Foods: Certain animal-based foods such as liver, egg yolks, and cheese contain vitamin K2. However, the amount of vitamin K2 in these sources may vary, so it’s important to choose quality, nutrient-dense options.
  4. Supplements: If you struggle to meet your vitamin K needs through food alone, you may consider a vitamin K supplement. Consult with a healthcare professional to determine the appropriate dosage for your specific needs.

It’s worth noting that vitamin K is a fat-soluble vitamin, meaning it is best absorbed in the presence of dietary fat. Therefore, it’s advisable to consume vitamin K-rich foods alongside healthy fats like olive oil, avocados, or nuts.


While vitamin K is not a magic solution for weight loss, incorporating it into your diet can support your overall efforts. Its potential benefits in regulating adipokines, preserving bone health, and reducing body weight and fat mass make it a valuable addition to a weight loss plan.

Remember, a well-rounded approach to weight loss includes a balanced diet, regular exercise, and healthy lifestyle habits. Vitamin K should be seen as a complementary component rather than a standalone solution. As with any dietary changes or supplementation, it’s important to consult with a healthcare professional to ensure it aligns with your individual needs and existing medical conditions.

By incorporating vitamin K-rich foods and supplements into your diet, you can optimize your weight loss journey and promote overall health and well-being. Stay committed, be patient, and embrace a holistic approach to achieve sustainable weight loss goals.

Veronica Yoo

Veronica is dedicated and experienced nutritionist and certified health coach who specializes in functional medicine, She's a published author, nutritional instructor, WBFF professional figure athlete, and both the brains and beauty behind all that Makeover Nutrition offers.

Veronica is also the President & CEO of a BC based health and wellness association; Pacific Alliance of Body Care.