What is the generic of Synthroid?
The generic of Synthroid is Levothyroxine. As of September 2026, the lowest verified cash price for Levothyroxine 100 mcg is $4.00 at BetterBuy Rx, based on 11 verified US pharmacy quotes, every price below is a real quote we verified, not an estimate.
BetterBuyRx card price in the 750xx ZIP area: $10.00 (checked Sep 5, 2026). Card prices vary by ZIP, enter yours on the drug page for local pharmacy prices. We show home delivery too and always surface it first when it is cheaper.
| Pharmacy / source | Type | Verified cash price |
|---|---|---|
| BetterBuy Rx | coupon | $4.00 |
| Costco Pharmacy | pharmacy | $4.50 |
| Mark Cuban Cost Plus | pharmacy | $6.10 |
| Honeybee Health | pharmacy | $7.00 |
| Mark Cuban Cost Plus | pharmacy | $8.31 |
| BetterBuy Rx | coupon | $10.00 |
Last verified Sep 5, 2026. Cash prices only, from verified public retail and mail-order sources, no insurance copays, no estimates, no extrapolation across strengths or quantities. Prices change; confirm at the pharmacy counter. See our methodology.
Common questions
- What is the generic of Synthroid?
- The generic of Synthroid is Levothyroxine. It contains the same active ingredient and is the version that drives the low cash prices below.
- How much does generic Synthroid (Levothyroxine) cost without insurance?
- The lowest verified cash price we currently have for Levothyroxine 100 mcg is $4.00 at BetterBuy Rx, from 11 verified US pharmacy quotes. Prices change; confirm at the pharmacy before you buy.
- Is generic Levothyroxine as effective as Synthroid?
- Generic Levothyroxine must meet the same FDA standards for active ingredient, strength, and quality as Synthroid. Ask your pharmacist if you have questions about switching.