InVite Health Vitamin D3 1000 IU (90-day supply) vs Thorne Vitamin D + K2 Liquid
Specs, prices, editor verdict, and who should buy which - compared side-by-side.
InVite Health Vitamin D3 1000 IU (90-day supply) (entry, $18.39) 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).
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 | InVite Health Vitamin D3 1000 IU (90-day supply) | Thorne Vitamin D + K2 Liquid |
|---|---|---|
| price | $18.39 | $34 |
| servings | 90 capsules per bottle (90-day supply at 1 capsule/day) | ~600/bottle (2 drops) |
| testing | Third-party tested for purity + potency | Third-party tested for label accuracy + purity |
InVite Health Vitamin D3 1000 IU (90-day supply) also publishes: activeIngredient, doseOptions, manufacturing, shipping, brandAge
Thorne Vitamin D + K2 Liquid also publishes: dose, form
Who should buy which
Buyers wanting a clinically-credible foundational vitamin D3 at value-tier pricing, especially for buyers building their first daily supplement stack or replacing a prestige-brand D3 with an equivalent-quality cheaper alternative.
You're an athlete subject to drug testing (Thorne NSF Certified for Sport is the right call), or you want maximum prestige-brand positioning (Pure Encapsulations, Designs for Health). Or you have lab-confirmed sufficient D status and don't need supplementation.
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.
Go deeper
Frequently asked
Which is better, the InVite Health Vitamin D3 1000 IU (90-day supply) 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?
InVite Health Vitamin D3 1000 IU (90-day supply): $18.39. Thorne Vitamin D + K2 Liquid: $34. Prices are verified against the manufacturer; check the live links for current pricing.
Who should buy which one?
InVite Health Vitamin D3 1000 IU (90-day supply): Buyers wanting a clinically-credible foundational vitamin D3 at value-tier pricing, especially for buyers building their first daily supplement stack or replacing a prestige-brand D3 with an equivalent-quality cheaper alternative. 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.