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

Thorne Basic Nutrients 2/Day 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 Basic Nutrients 2/Day (mid, $29–$39) vs Thorne Vitamin D + K2 Liquid (entry, $34) - different tools for different jobs (see the per-product details below).

Compared on 2 shared specs · same category (supplement).

Thorne Basic Nutrients 2/Day multivitamin
Thorne

Basic Nutrients 2/Day

The multivitamin clinicians actually recommend - Mayo Clinic partner, methylated B vitamins, no junk.

PRICE
$29–$39
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 Basic Nutrients 2/DayThorne Vitamin D + K2 Liquid
price$29–$39$34
servings30/bottle~600/bottle (2 drops)
dose2 caps/day1,000 IU D3 + 200mcg K2 (MK-4) per 2 drops

Thorne Basic Nutrients 2/Day also publishes: certifications, features

Thorne Vitamin D + K2 Liquid also publishes: form, testing

Who should buy which

Pick the Thorne Basic Nutrients 2/Day if

Anyone wanting a clinically credible multivitamin without paying AG1 prices, or buyers with MTHFR mutations needing methylated forms.

Skip if

You want a one-scoop daily greens powder (AG1), or you take individual supplements custom-tuned to your labs.

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 Basic Nutrients 2/Day review →
FULL REVIEW
Read the Thorne Vitamin D + K2 Liquid review →