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Independent·Affiliate-disclosed·Spec-verified·Updated August 7, 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
Updated Jun 23, 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
Thorne Vitamin D + K2 liquid drops
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
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 →

Frequently asked

Which is better, the Thorne Basic Nutrients 2/Day or the Thorne Vitamin D + K2 Liquid?

They are closely matched on our scoring, so the right pick comes down to your priorities. The verdict and spec table above compare them on price, features, and who each one suits.

How much do they cost?

Thorne Basic Nutrients 2/Day: $29 to $39. Thorne Vitamin D + K2 Liquid: $34. Prices are verified against the manufacturer; check the live links for current pricing.

Who should buy which one?

Thorne Basic Nutrients 2/Day: Anyone wanting a clinically credible multivitamin without paying AG1 prices, or buyers with MTHFR mutations needing methylated forms. Thorne Vitamin D + K2 Liquid: Anyone who wants an easy, liquid way to cover vitamin D and K2, especially in low-sun months, and who dislikes swallowing softgels.