Available Thyroid Medication
Thyroid written on a black board
Thyroid Medication Table
Note: Liothyronine (T3) and Levothyroxine (T4) are bioidentical in each of the following medications. However, the following bioidentical medications may not be absorbed the same and monitoring may be necessary when switching from one medication to another. Additional or alternative therapies may be considered and appropriate depending on individual differences.
This material is not intended as a substitute for medical advice and is for informational purposes. Please consult a qualified health care professional for individual health and medical advice.
Medications Containing only Liothyronine (T3)
| Medication Name | Manufacturer | Strengths Available (mcg) | Fillers (not all inclusive) | Generic Available | |
|---|---|---|---|---|---|
| Synthroid | Abbott | 25, 50, 75, 88, 100, 112, 125, 137, 150, 175, 200, 300 | Non-porcine. tablets | cornstarch and lactose | yes |
| Levothroid® | Lloyd for Forest Labs | 25, 50, 75, 88, 100, 112, 125 137, 150, 175, 200, 300 | Non-porcine tablets | yes | |
| Levoxyl® | King | 25, 50, 75, 88, 100, 112, 125, 137, 150, 175, 200 | Non-porcine tablets | yes | |
| Unithroid | JSP | 25, 50, 75, 88, 100, 112, 125 137, 150, 175, 200, 300 | Non-porcine. tablets | cornstarch and lactose | |
| Levo-TTM | Mova for Alara | 25, 50, 75, 88, 100, 112, 125, 137, 150, 175, 200, 300 | Non-porcine tablets | ||
| Tirosint . | 13, 25, 50, 75, 88, 100, 112, 125, 137, 150 | Non-porcine capsules | Contains glycerin and water (IBSA) in a soft gelatin capsule | Can not be cut or crushed | |
| Levothyroxine (T4) | compounding pharmacies | Any strength may be compounded | Non-porcine Capsules, gelatin or veggie caps | ||
| Synthroid® | Abbott | 200, 500 | Non-porcine injectable | ||
| Levothyroxine | Various | 200, 500 | Non-porcine sodium injectable |
Thyroid Glandular Medications (derived from Porcine)
| Medication Name | Manufacturer | Strengths Available | Fillers (not all inclusive) | Generic Available | |
|---|---|---|---|---|---|
| Armour Thyroid | Forest Laboratories | 0.25, 0.5, 1, 1.5, 2, 3, 4, 5 (in grains) | Desiccated porcinetablets | Contains lactose and dextrose derived from corn | 1 grain=T3 9mcg/T4 38mcg T3:T4 ratio is approximately 1:4 |
| Nature-ThroidTM | RLC Labs | 0.25, 0.5, 0.75, 1, 1.25, 1.5, 1.75, 2, 2.25, 2.5, 3, 4, 5 (in grains) | Desiccated porcine tablets | Contains lactose | 1 grain=T3 9mcg/T4 38mcg T3:T4 ratio is approximately 1:4 |
| WesthroidTM | RLC Labs | 0.25, 0.5, 0.75, 1, 1.25, 1.5, 1.75, 2, 2.25, 2.5, 3, 4, 5 (in grains) | Desiccated porcine tablets | Contains lactose | 1 grain=T3 9mcg/T4 38mcg T3:T4 ratio is approximately 1:4 |
| NP Thyroid | Acella | 0.5, 1, 1.5 (in grains) | Desiccated porcine tablets | Contains dextrose and Maltodextrin | 1 grain=T3 9mcg/T4 38mcg T3:T4 ratio is approximately 1:4 |
| Porcine Any strength may be compounded | Whole desiccated porcine thyroid thyroid glandular containing T3 and T4 in an capsules approximate 1:4 ratio (compounding pharmacies) |
Medications Containing only Liothyronine (T3)
| Medication Name | Manufacturer | Strengths Available | Fillers (not all inclusive) | Generic Available | |
|---|---|---|---|---|---|
| Cytomel | King | 5, 25, 50 | Non-porcine. tablets | Contains cornstarch | Generics available |
| Liothyronine | Various | 5, 25, 50 | Non-porcine Sodium tablets | ||
| Triostat | JHP | 10mcg/mL | Non-porcine injectable Intravenous administration | Refrigeration required | |
| Liothyronine | X-Gen | 10mcg/ml | Non-porcine sodium | Refrigeration required injectable |
|
| Liothyronine (T3) | Any strength may be compounded | Non-porcine capsules | (compounding pharmacies) |
Synthroid: Lactose, Acacia (tree bark) as fillers, hard to digest oftentimes.
Levoxyl: Microcrystalline cellulose, Croscarmellose sodium, magnesium Stearate, calcium sulphate dihydrate, sodium bicarbonate – 50 mcg does not have dye
Tirosint: Gelatin, glycerin, water
Cytomel: calcium sulfate, gelatin, starch, talc, stearic acid, sucrose
Armour: Dextrose, microcrystalline Cellulose, Sodium Starch Glycolate, Calcium Stearate, Opadry White
Naturethroid: Colloidal Silicon Dioxide, Dicalcium Phosphate, Lactose Monohydrate, Magnesium Stearate, Microcrystalline Cellulose, Croscarmellose Sodium, Stearic Acid, Opadry II Clear, Porcine
Acella: Calcium Stearate, Dextrose Monohydrate,
Maltodextrin, Mineral oil
WP Thyroid (Westhroid): Inulin from Chicory Root,
Medium chain triglycerides, Lactose Monohydrate
ERFA: Corn starch, Magnesium Stearate, sugar, talc
CMP T3/T4: As few as possible * contact the pharmacy
