AG1 AG1 Foundational Nutrition vs Thorne Vitamin D + K2 Liquid
Specs, prices, editor verdict, and who should buy which - compared side-by-side.
AG1 AG1 Foundational Nutrition (premium, $79–$99/mo) vs Thorne Vitamin D + K2 Liquid (entry, $34) - different tools for different jobs (see the per-product details below).
Compared on 1 shared spec · same category (supplement).
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
| Spec | AG1 AG1 Foundational Nutrition | Thorne Vitamin D + K2 Liquid |
|---|---|---|
| price | $79–$99/mo | $34 |
| servings | 30 per pouch | ~600/bottle (2 drops) |
AG1 AG1 Foundational Nutrition also publishes: ingredients, certifications, subscription
Thorne Vitamin D + K2 Liquid also publishes: dose, form, testing
Who should buy which
Buyers who want one daily foundational scoop instead of managing 4-6 separate supplements, and who value the NSF certification.
You're budget-sensitive, you already take a structured stack, or you're skeptical of multi-ingredient blends.
Anyone who wants an easy, liquid way to cover vitamin D and K2, especially in low-sun months, and who dislikes swallowing softgels.
You need an NSF Certified for Sport vitamin D (this SKU is not certified), or your bloodwork already shows a high vitamin D level.