Can I buy vitamin K at Walmart? An In-Depth Look at Your Nutritional Supplement Options

October 5, 2025 •

3 min read

Millions of people are concerned about their nutritional intake and look to supplement key vitamins like vitamin K. This leads many to question, 'Can I buy vitamin K at Walmart?' as a convenient and accessible option for their dietary needs.

Quick Summary

Walmart offers a variety of vitamin K supplements, including both K1 and K2 forms, available online and in-store from various brands like Spring Valley, Nature Made, and others.

Key Points

Variety of Selection: Walmart carries a diverse range of Vitamin K supplements, including different forms and dosages, both in-store and online.
Forms of Vitamin K: Shoppers can find both Vitamin K1 (primarily for blood clotting) and Vitamin K2 (beneficial for bone and cardiovascular health) in various products.
Combo Products with D3: Many vitamin K supplements available at Walmart are combined with Vitamin D3, as the two vitamins work synergistically for bone health.
Multiple Brands: Beyond the budget-friendly Spring Valley brand, Walmart offers products from trusted names like Nature Made and NOW Supplements.
Consult a Doctor: It is critical to speak with a healthcare professional before starting vitamin K, especially if you are on blood-thinning medication.

Your Vitamin K Options at Walmart

Yes, Walmart carries a broad range of vitamin K supplements, providing a convenient option for many consumers. Shoppers can find vitamin K both in their local brick-and-mortar stores and through the extensive online store. The selection includes options from a variety of brands, dosages, and delivery methods, catering to different dietary needs and preferences.

The Different Forms of Vitamin K

When you begin your search for vitamin K, it's essential to understand that it comes in a few different forms, primarily Vitamin K1 and Vitamin K2. These have different roles and availability in foods, which also extends to supplements.

Vitamin K1 (Phylloquinone)

Found in: Green leafy vegetables like spinach and kale.
Role: Primarily involved in blood clotting processes within the body.
Availability: Can be found in some multi-vitamin and standalone formulas at Walmart, such as those from brands like Life Extension.

Vitamin K2 (Menaquinone)

Found in: Fermented foods like cheese and natto, and produced by bacteria in the gut.
Role: Important for bone health by helping to direct calcium to the bones and teeth, and for cardiovascular health by preventing calcium buildup in the arteries.
Subtypes: K2 comes in several subtypes, with MK-4 and MK-7 being the most common in supplements. MK-7 is often highlighted for its higher bioavailability and longer half-life. Walmart stocks various MK-7 products.

Popular Brands and Product Types at Walmart

Walmart's in-house brand, Spring Valley, is a prominent supplier of affordable vitamin K supplements. You will also find many other reputable brands on the shelves and online, catering to different preferences. Shoppers can expect to find:

Single-vitamin products: Some options contain only vitamin K2 (e.g., Spring Valley Vitamin K2 softgels) or a blend of K1 and K2.
Combination supplements: A very popular format combines Vitamin K2 with Vitamin D3, as these two fat-soluble vitamins work together to support bone and heart health. You'll see several brands, including Spring Valley and Nature Made, offering this popular pairing.
Delivery methods: Products are available in various forms, including easy-to-swallow softgels, liquid drops, and gummies. Liquid drops, often combined with MCT oil, are a popular choice for enhanced absorption.

A Comparison of Vitamin K Supplements at Walmart


Brand	Type	Dosage (per serving)	Form	Key Benefit	Target Consumer	Notes
Spring Valley	K2 (MK-7)	100 mcg	Softgels	Bone Health	Adults seeking an affordable, standalone K2 option	Store brand, widely available
Life Extension	K1, K2 (MK-4 & MK-7)	Varies	Softgels	Comprehensive Heart & Bone Health	Individuals seeking a full-spectrum K blend	Contains multiple K forms
NOW Supplements	K2 (MK-4)	100 mcg	Veg Capsules	Supports Bone & Cardiovascular Health	Those interested in the MK-4 form	Often available in larger counts
Nature Made	K2 (MK-7) with D3	100 mcg K2, 125 mcg D3	Softgels	Bone Support	Consumers wanting the synergistic benefits of D3 and K2	Convenient two-in-one product

Important Considerations Before Purchasing

Before adding a vitamin K supplement to your cart, it's crucial to consider a few key factors to ensure you make the right choice for your health. First, consult with a healthcare professional, as they can provide personalized advice based on your individual health status. This is especially important for anyone taking anticoagulant medications, such as warfarin, as vitamin K can interfere with their function.

Next, assess your specific needs. Are you looking to support bone health or cardiovascular wellness? This may influence whether you choose a product focused on K1, K2, or a combination. For those with dietary restrictions, like vegans, options derived from plant sources like natto bean-derived MK-7 are available. Finally, review the product details to confirm the specific form and dosage of vitamin K, as this can differ greatly between brands.

Conclusion

In summary, the answer to "Can I buy vitamin K at Walmart?" is a resounding yes, with a substantial selection available both in-store and online. From affordable house brands like Spring Valley to national brands like Nature Made and NOW, you can find a variety of forms, dosages, and combinations to fit your nutritional strategy. However, the most important step before purchasing any supplement is to consult with a healthcare provider to ensure it is appropriate and safe for your personal health needs.

This article is for informational purposes only and does not constitute medical advice. Please consult with a healthcare professional before starting any new dietary supplement.

Frequently Asked Questions

Yes, Walmart sells vitamin K in liquid drops, with many brands offering the supplement in a liquid format, sometimes combined with MCT oil for better absorption.

Yes, you can find supplements specifically containing Vitamin K2 at Walmart, often in the highly bioavailable MK-7 form.

Yes, the Spring Valley line, Walmart's house brand, includes several vitamin K products, such as K2 softgels and K2 with D3 combinations.

While many products are combined with Vitamin D3, Walmart also offers standalone vitamin K supplements for those who prefer to take it by itself.

Yes, you can order a wide selection of vitamin K supplements directly from Walmart's website, with options for home delivery.

Prices for vitamin K supplements at Walmart can vary widely based on the brand, dosage, and form. Options are available at a variety of price points, including budget-friendly choices like the Spring Valley house brand.

Before taking any new supplement, it is highly recommended to consult a healthcare professional. This is especially important for vitamin K as it can interact with certain medications, particularly blood thinners.