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Independent·Affiliate-disclosed·Spec-verified·Updated June 23, 2026
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Head-to-head buyer guide

Thorne Creatine vs Thorne Vitamin D + K2 Liquid

Specs, prices, editor verdict, and who should buy which - compared side-by-side.

By Ryan · Founder
Published May 3, 2026
Quick verdict

Thorne Creatine (mid, $44) vs Thorne Vitamin D + K2 Liquid (entry, $34) - different tools for different jobs (see the per-product details below).

Compared on 3 shared specs · same category (supplement).

Thorne
Thorne

Creatine

Creatine monohydrate is the rare supplement where the evidence is not in question. The only real question is whether the powder in the tub is clean, and that is where Thorne earns its place.

PRICE
$44
View at Thorne
Thorne
Thorne

Vitamin D + K2 Liquid

Vitamin D and K2 are often taken together for a simple reason, and Thorne packs both into a liquid that sidesteps the main annoyance of D supplements: swallowing yet another softgel.

PRICE
$34
View at Thorne
The verdict

These are close picks. Both score in the same range. The right call depends on buyer profile - read the per-buyer recommendations below.

Side-by-side specs

SpecThorne CreatineThorne Vitamin D + K2 Liquid
price$44$34
servings90/tub~600/bottle (2 drops)
dose5g/scoop1,000 IU D3 + 200mcg K2 (MK-4) per 2 drops
formMicronized monohydrateLiquid drops (MCT base)

Thorne Creatine also publishes: certifications

Thorne Vitamin D + K2 Liquid also publishes: testing

Who should buy which

Pick the Thorne Creatine if

Drug-tested athletes, and anyone who wants the most-researched performance supplement in an independently certified, single-ingredient form.

Skip if

You are not drug-tested and already buy creatine monohydrate from a reputable brand, where the commodity version is biochemically equivalent for less.

Pick the Thorne Vitamin D + K2 Liquid if

Anyone who wants an easy, liquid way to cover vitamin D and K2, especially in low-sun months, and who dislikes swallowing softgels.

Skip if

You need an NSF Certified for Sport vitamin D (this SKU is not certified), or your bloodwork already shows a high vitamin D level.

Go deeper

FULL REVIEW
Read the Thorne Creatine review →
FULL REVIEW
Read the Thorne Vitamin D + K2 Liquid review →