Natural or synthetic MK-4? Do you know where this mk-4 is sourced from? Natural, synthetic? And if either what do they make it from? Thanks!

MK-4 is not synthetic it comes from heathy animals. MK-7 is synthetic and/or comes from natto soybean which is an endocrine disruptor and causes cancer in many people. Do your research because MK-7 is not the natural form as claimed to be

Whst is better the mk-7 or k1,k2/4,k2/7?

It really depends on the individual -- I did not do well with K7 -- I have not problem with K2 however - you may find more info by googleling your question

They contain vitamin K-2, stevia, and lactose (milk sugar), so not vegan but vegetarian.

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Superior Source Vitamin K-2 (MK-4) 500 mcg, 60 Sublingual Tablets

Superior Source Vitamin K-2 (MK-4) 500 mcg, 60 Sublingual Tablets

Product ID: 5599909

Details

Brand
Superior
Diet Type
Gluten Free
Flavor
Unflavored
Item Form
Tablet
Primary Supplement Type
Vitamin K2

🌿Gluten-free, clean formula

💊500 mcg MK-4 potency

⏱️Quick-dissolve sublingual tablets

₩52356

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Description

💪 Elevate your bone game with fast-absorbing Vitamin K-2 power!

CLEAN CONSCIOUS - Gluten-free and unflavored, perfect for health-conscious professionals with dietary sensitivities.
TRUSTED LEGACY SINCE 1998 - Formulated by a family-owned brand with decades of expertise in sublingual vitamins.
DAILY DEFENSE FOR STRONGER BONES - Supports natural calcium absorption to keep your bones resilient and your body thriving.
PRECISION DOSAGE MAXIMUM IMPACT - Each tablet delivers a potent 500 mcg of Vitamin K-2 (MK-4) for targeted bone and soft tissue support.
FAST ACTING SUBLINGUAL ABSORPTION - Quick-dissolve tablets ensure rapid uptake, bypassing digestion for faster benefits.

Superior Source Vitamin K-2 (MK-4) 500 mcg offers 60 quick-dissolve, sublingual tablets designed for adults seeking enhanced bone strength and soft tissue health. Gluten-free and unflavored, this trusted formula supports natural calcium absorption with a potent daily dose, crafted by a family-owned manufacturer since 1998.

Specifications

ASIN	B006607OIE
Age Range Description	Adult
Allergen Information	Gluten Free
Best Sellers Rank	#56,120 in Health & Household ( See Top 100 in Health & Household ) #18 in Vitamin K1 Supplements #2,935 in Sales & Deals
Brand	Superior Source
Brand Name	Superior Source
Color	Off-white
Customer Reviews	4.5 out of 5 stars 281 Reviews
Diet Type	Gluten Free
Dosage Form	Tablet
Flavor	Unflavored
Global Trade Identification Number	00076635904105
Item Dimensions	1.44 x 1.44 x 2.38 inches
Item Form	Tablet
Item Highlight	Sublingual Vitamin K2 Formula Supporting Soft Tissue Health, Bone Strength and Natural Calcium Absorption Daily
Item Weight	22.68 g
Manufacturer	Superior Source
Manufacturer Part Number	90410
Model Name	Superior Source Vitamin K 2 Mk ' Menaquinone Mcg Quick Dissolve Sublingual Tablets 60 Count
Model Number	90410
Number of Items	1
Primary Supplement Type	Vitamin K2
Product Benefits	Bone Health Support
Specific Uses For Product	Bone
UPC	076635904105
Unit Count	60 Count

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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₩52356

Duties & taxes included

In stock

Sold byAmazon South KoreaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Korea.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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