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 K2 500 mcg MK-4 - Bone Strength & Health Support Supplement - Vitamin K Supplement Helps in Soft Tissue Health & Calcium Absorption - 60 Sublingual Dissolving Tablets

Product ID: 278751256

Details

Brand
Superior
Diet type
Gluten Free
Flavour
Unflavored
Item form
Tablet
Primary supplement type
Vitamin K2

⚡Instant sublingual dissolve for rapid absorption

💊500 mcg Vitamin K2 MK-4 per tablet

🦴Supports calcium absorption & bone strength

Description

🦴 Elevate your bone game with instant-absorb Vitamin K2 power!

CLEAN PURE FORMULA - No fillers, binders, GMOs, or artificial colors—just pure, effective nutrition in a tiny, easy-to-take tablet.
PRECISION DOSAGE POWER - Each tablet delivers a potent 500 mcg of Vitamin K2 MK-4, optimized for bone and soft tissue health.
LIGHTNING FAST ABSORPTION - Sublingual dissolving tablets bypass digestion, ensuring nutrients hit your bloodstream instantly—no water needed.
TRUSTED LEGACY OF QUALITY - Crafted since 1998 in a family-owned facility with a passion for health, fitness, and pure supplementation.
SENIOR SENSITIVE FRIENDLY - Designed for those with swallowing difficulties or sensitive systems, making wellness effortless for all ages.

Superior Source Vitamin K2 500 mcg MK-4 offers a clean, fast-absorbing sublingual formula designed to support bone strength, calcium absorption, and soft tissue health. With 60 tiny, dissolvable tablets free from fillers and artificial additives, it’s perfect for adults seeking efficient, high-quality vitamin supplementation backed by over two decades of trusted family-owned manufacturing.

Specifications

ASIN	B006607OIE
Age Range Description	Adult
Allergen Information	Gluten Free
Best Sellers Rank	#82,784 in Health ( See Top 100 in Health ) #29 in Vitamin K Supplements
Brand	Superior Source
Brand Name	Superior Source
Color	tan
Customer Reviews	4.5 out of 5 stars 780 Reviews
Diet Type	Gluten Free
Diet type	Gluten Free
Dosage Form	Tablet
Flavor	Unflavored
Flavour	Unflavored
Global Trade Identification Number	00076635904105
Item Dimensions	37 x 37 x 60 millimeters
Item Form	Tablet
Item Weight	0.05 Pounds
Item form	Tablet
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
Primary supplement type	Vitamin K2
Product Benefits	Bone Health Support
Product benefits	Bone Health Support
Specific Uses For Product	Laboratory
UPC	076635904105
Unit Count	60.00 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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