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

⚡Sublingual quick dissolve tech

💊500 mcg MK-4 potency

🦴Supports bone & calcium absorption

$U1925

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Description

🦴 Elevate your bone game with fast-absorbing Vitamin K2 power!

CLEAN PURE - Gluten-free and unflavored, designed for sensitive systems and seamless daily integration.
TRUSTED LEGACY - Crafted by Superior Source, a family-owned brand with over 20 years of expertise in sublingual vitamin innovation.
PRECISION DOSAGE POWER - Each tablet delivers a potent 500 mcg of Vitamin K2 MK-4 for targeted bone and cardiovascular support.
RAPID ABSORPTION FORMULA - Sublingual dissolving tablets ensure fast, efficient nutrient uptake—no water needed, perfect for busy professionals on the go.
BONE SOFT TISSUE SYNERGY - Optimizes calcium absorption and supports soft tissue health, empowering your active lifestyle and long-term wellness.

Superior Source Vitamin K2 500 mcg MK-4 offers a clinically potent dose in convenient sublingual tablets that dissolve quickly for superior absorption. Gluten-free and unflavored, this supplement supports bone strength, calcium metabolism, and soft tissue health, backed by over two decades of family-owned manufacturing expertise.

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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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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$U1925

Duties & taxes included

In stock

Sold byAmazon UruguayDelivered 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 Uruguay.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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