in 4 offers
The lowest price for Zahler Vitamin D3 IU right now is $23.23 at Professional Supplement Center, compared across 4 retailers.
The all-time low was $23.23 on 12 Oct 2026. That's the lowest price we've ever tracked — a great time to buy.
Prices last updated 12 Oct 2026.
Zahler Vitamin D3 IU
Last updated at 12/10/2026 08:12:31
Vitamin D3 Liquid 1000 IU (25mcg), 1 oz, by Zahler
Delivery $12.89
Vitamin D3 5000 Liquid - 30 ml
Delivery $35.45
Zahler Liquid Vitamin D3 5000 IU - for Adults Bone & Immune Health - Vitamin D3 Supplements for Women & Men (1 fl oz)
Free delivery between 21–23 Oct
Zahler, Vitamin D3, Advanced D3 Formula, 1,000 IU, 30 ml
Delivery $14.95
| Supplement Type | Vitamin |
| Target Concern | Immunity, Bone & Joint Health |
| Form | Liquid |
| Free Of | Soy Free |
| Benefit | Immune support, Bone health |
Vitamin D3 Liquid 1000 IU (25mcg), 1 oz, by Zahler
Delivery $12.89
Vitamin D3 5000 Liquid - 30 ml
Delivery $35.45
Zahler Liquid Vitamin D3 5000 IU - for Adults Bone & Immune Health - Vitamin D3 Supplements for Women & Men (1 fl oz)
Free delivery between 21–23 Oct
Zahler, Vitamin D3, Advanced D3 Formula, 1,000 IU, 30 ml
Delivery $14.95
| Supplement Type | Vitamin |
| Target Concern | Immunity, Bone & Joint Health |
| Form | Liquid |
| Free Of | Soy Free |
| Benefit | Immune support, Bone health |
