in 9 offers
The lowest price for Superior Source Extra Strength Tablets right now is $13.84 at iHerb, compared across 5 retailers.
The all-time low was $13.49 on 2 Aug 2026 — today's price is 3% above the lowest ever. This is at or near its all-time low — a good time to buy.
Prices last updated 25 Oct 2026.
Superior Source Extra Strength Tablets
Last updated at 25/10/2026 12:04:44
Superior Source, D3, 25 mcg (1,000 IU), 100 MicroLingual Instant Dissolve Tablets
Delivery $40
Superior Source Vitamin D3 10,000 IU, Non-GMO, 100 Sublingual Tablets
Delivery between 29 Oct – 2 Nov $41
Superior Source Vitamin D3 5,000 IU, 100 Sublingual Tablets
Delivery between 31 Oct – 3 Nov $29
Superior Source Extra Strength Vitamin D3 25 mcg (1000 IU) 100 MicroLingual Instant Dissolve Tablets
Delivery between 27 Oct – 7 Nov $28.44
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 10,000 IU, Non-GMO, 100 Sublingual Tablets
Delivery between 29 Oct – 2 Nov $41
Superior Source Vitamin D3 5,000 IU, 100 Sublingual Tablets
Delivery between 31 Oct – 3 Nov $29
Superior Source Extra Strength Vitamin D3 25 mcg (1000 IU) 100 MicroLingual Instant Dissolve Tablets
Delivery between 27 Oct – 7 Nov $28.44
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 |
