InVite Health Vitamin D3 3000 IU (90-day supply) vs Thorne Vitamin D + K2 Liquid
Specs, prices, editor verdict, and who should buy which, compared side by side.
Lifespan Vault earns an affiliate commission when you buy through links on this page, at no extra cost to you. It does not change our rankings or our verdicts.
InVite Health Vitamin D3 3000 IU (90-day supply) (entry, $23.99) 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).
We have not scored these two head to head, so this page does not name a winner. The InVite Health Vitamin D3 3000 IU (90-day supply) starts at $23.99 and the Thorne Vitamin D + K2 Liquid at $34. The per-buyer recommendations below say who each one suits.
Side-by-side specs
| Spec | InVite Health Vitamin D3 3000 IU (90-day supply) | Thorne Vitamin D + K2 Liquid |
|---|---|---|
| price | $23.99 | $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 3000 IU (90-day supply) also publishes: active ingredient, dose options, manufacturing, shipping, brand age
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 3000 IU (90-day supply) or the Thorne Vitamin D + K2 Liquid?
We have not scored these two head to head, so this page does not name a winner. The InVite Health Vitamin D3 3000 IU (90-day supply) starts at $23.99 and the Thorne Vitamin D + K2 Liquid at $34. The per-buyer recommendations below say who each one suits.
How much do they cost?
InVite Health Vitamin D3 3000 IU (90-day supply): $23.99. 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 3000 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.
The Longevity Gear Buyer's Checklist
The specs that actually decide whether a sauna, cold plunge, red light panel, or smart ring is worth it, plus the real price range for each. Get the free PDF, plus one weekly email on the gear worth buying.

