Vitamin D / Carlson
Carlson
Super Daily D3 2000 IU Liquid Drops
Cost per 1,000 IU$0.025at Nutrition Headquarters
Dose math
- Units per serving
- 1
- Vitamin D per serving
- 50 mcg
- Servings per container (label)
- 365
1,000 IU (25 mcg) vitamin D takes 0.5 servings of this product.
At the best price: $17.99 ÷ (365 servings × 50 mcg) × 25 mcg = $0.025
Prices
| Store | Price | Servings | Cost per 1,000 IU | Checked |
|---|---|---|---|---|
| Nutrition Headquarters | $17.99 | 365 | $0.025 | Oct 21, 2026 |
Prices are read from each store's own page and marked stale after 14 days. The best price is the lowest cost per 1,000 IU among prices that aren't stale. Star ratings are the store's own reviews and never affect rankings.
Third-party certification
No certification found on any certifier's website.
Lab results (COAs)
No certificate of analysis found.
Why tier C
- Current third-party certification: not met
- No certification found.
- COA from an accredited lab, on the finished product, under 2 years old: not met
- No COA found.
Tier A needs both checks. Tier B needs at least one COA or certification. Tier C has neither. The tier sits next to the price and is never blended into it.
Label details
Other ingredients medium chain triglyceride oil (coconut and palm source)