in 8 offers
The lowest price for Superior Source Extra Strength Tablets right now is $13.82 at iHerb, compared across 4 retailers.
The all-time low was $13.49 on 2 Aug 2026 — today's price is 2% above the lowest ever. This is at or near its all-time low — a good time to buy.
Prices last updated 12 Oct 2026.
Superior Source Extra Strength Tablets
Last updated at 12/10/2026 02:33:43
Superior Source, D3, 25 mcg (1,000 IU), 100 MicroLingual Instant Dissolve Tablets
Delivery $40
Superior Source Vitamin D3 5,000 IU, 100 Sublingual Tablets
Delivery between 18–21 Oct $29
Superior Source Extra Strength Vitamin D3 25 mcg (1000 IU) 100 MicroLingual Instant Dissolve Tablets
Delivery between 13–24 Oct $28.60
Superior Source, Extra Strength Vitamin D3, 10,000 Iu, 100
Delivery $9.95
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
| Supplement Type | Vitamin |
| Target Concern | Immunity, Bone & Joint Health |
| Benefit | Strong teeth, Cardiovascular system support, Healthy brain and nervous system, Healthy muscle function |
| Body Part Use | Teeth, Bones, Brain, Nervous system |
| Dosage | 1 Tablet |
Superior Source, D3, 25 mcg (1,000 IU), 100 MicroLingual Instant Dissolve Tablets
Delivery $40
Superior Source Vitamin D3 5,000 IU, 100 Sublingual Tablets
Delivery between 18–21 Oct $29
Superior Source Extra Strength Vitamin D3 25 mcg (1000 IU) 100 MicroLingual Instant Dissolve Tablets
Delivery between 13–24 Oct $28.60
Superior Source, Extra Strength Vitamin D3, 10,000 Iu, 100
Delivery $9.95
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
| Supplement Type | Vitamin |
| Target Concern | Immunity, Bone & Joint Health |
| Benefit | Strong teeth, Cardiovascular system support, Healthy brain and nervous system, Healthy muscle function |
| Body Part Use | Teeth, Bones, Brain, Nervous system |
| Dosage | 1 Tablet |
