T4 150mcg – Levothyroxine 150mcg, 60 Tablets by American Brand
T4 150mcg by American Brand is an oral thyroid hormone product. Each tablet contains 150mcg of Levothyroxine. One bottle contains 60 tablets.
Levothyroxine is a synthetic form of thyroxine, or T4. It is chemically identical to the main T4 hormone produced by the human thyroid gland. Official prescribing information includes 150mcg as a recognized tablet strength.
The medicine is mainly used as thyroid hormone replacement for hypothyroidism. It may also be used in selected thyroid-cancer treatment plans.
The supplied American Brand information lists an active half-life of about 6–7 days. T4 is cleared slowly from the body, which supports once-daily prescription use.
Customers can also review other products from American Brand Labs or browse the GainBuilt Fitness Shop.
What Is T4 150mcg?
T4 150mcg contains Levothyroxine as its active ingredient.
Levothyroxine is a synthetic thyroid hormone. It replaces or supplements T4 when the thyroid gland does not produce enough hormone.
The American Brand bottle shown contains:
- Active Ingredient: Levothyroxine
- Strength: 150mcg per tablet
- Quantity: 60 Tablets
- Classification: Thyroid Hormone
- Active Half-Life: About 6–7 days
- Administration: Oral tablet
Levothyroxine is not an anabolic steroid.
It also does not belong to the aromatase inhibitor or diuretic drug classes.
Its purpose is thyroid hormone replacement.
Official information confirms that synthetic Levothyroxine is chemically identical to naturally produced T4.
For independent patient information, see MedlinePlus Levothyroxine Guide.
How Does T4 150mcg Work?
T4 150mcg works by replacing thyroxine in the body.
Levothyroxine enters cells and acts through thyroid hormone pathways.
T4 can also be converted into the more active thyroid hormone T3 in body tissues.
Thyroid hormones influence many normal functions.
These include:
- Energy metabolism
- Body temperature
- Heart function
- Growth
- Protein production
- Nervous-system activity
Official pharmacology information explains that T4 and T3 enter cell nuclei and interact with thyroid receptors. This affects gene transcription and protein synthesis.
When thyroid hormone levels are too low, Levothyroxine can restore hormone activity when prescribed at the correct dose.
This process takes time.
The full effect of a dose change may take 4–6 weeks to appear.
Why Choose American Brand T4 150mcg?
American Brand T4 offers a clearly defined product format.
Each tablet contains 150mcg Levothyroxine.
The bottle provides 60 tablets.
The tablet strength is easy to identify from the front label.
The 150mcg strength is also included among recognized Levothyroxine tablet strengths in U.S. prescribing information.
Key product features include:
- 150mcg Levothyroxine per tablet
- 60 tablets per bottle
- Oral administration
- Long half-life
- Established thyroid hormone ingredient
- Clear product labeling
The correct Levothyroxine strength can vary greatly between patients.
For that reason, T4 150mcg should not be selected only because it is a higher-strength tablet.
The prescribed dose should match thyroid test results and individual medical needs.
Benefits and Product Features of T4 150mcg
The main benefit of T4 150mcg is thyroid hormone replacement when Levothyroxine is medically indicated.
Supports Thyroid Hormone Replacement
Levothyroxine replaces T4 that the body is not producing in sufficient amounts.
Recognized 150mcg Strength
The 150mcg tablet is an established prescription strength.
Long Duration
T4 has a long elimination profile.
This supports once-daily prescription administration.
Oral Tablet Format
No injection equipment is needed.
Defined Pack Quantity
American Brand provides 60 tablets per bottle.
Established Medical Use
Levothyroxine is widely used for hypothyroidism and selected thyroid-cancer indications.
These benefits apply to appropriate medical thyroid replacement.
Levothyroxine should not be promoted as a fat burner or general weight-loss medicine.
Official labeling carries a boxed warning stating that thyroid hormones should not be used to treat obesity or for weight loss. Higher-than-required doses can cause serious or life-threatening toxicity.
T4 150mcg Dosage and Product Strength
Each American Brand tablet contains Levothyroxine 150mcg.
The supplied product information lists:
General Manufacturer Range: 50–200mcg per day
However, this should not be presented as one standard dosage for all patients.
Levothyroxine dosing is highly individualized.
Official prescribing information states that the starting dose depends on factors such as:
- Age
- Body weight
- Cardiovascular health
- Other medicines
- Thyroid condition
- Laboratory results
TSH and T4 levels are used to monitor treatment and guide dose changes.
The product strength and prescribed daily dose are not the same thing.
A 150mcg tablet does not mean 150mcg is appropriate for every patient.
Levothyroxine also has a relatively narrow therapeutic range. Both too little and too much can cause health problems.
Patients should follow their exact prescription.
T4 150mcg Half-Life
The supplied American Brand specification lists an active half-life of 6–7 days.
This is consistent with the long elimination profile of T4.
Levothyroxine remains in the body much longer than T3.
Official pharmacokinetic information notes that T4 has slower metabolic clearance and a longer half-life because much of it is strongly bound to plasma proteins.
Half-life can vary.
Thyroid status may affect how quickly the hormone is cleared.
This long duration also explains why dosage adjustments do not produce their full effect immediately.
A new dose may require several weeks before laboratory levels fully stabilize.
For a product specification, you can use:
Active Half-Life: Approximately 6–7 days
Possible T4 150mcg Side Effects
T4 150mcg can cause side effects if thyroid hormone levels become too high.
Most adverse effects are linked with over-replacement.
Possible symptoms include:
- Rapid heartbeat
- Palpitations
- Increased blood pressure
- Nervousness
- Tremor
- Anxiety
- Insomnia
- Excessive sweating
- Heat intolerance
- Headache
- Diarrhea
- Muscle weakness
- Unintended weight loss
Official labeling also warns about heart rhythm problems and reduced bone mineral density when Levothyroxine is over-replaced.
The supplied profile lists:
Acne: None
Water Retention: None
HBR: Low
Hepatotoxicity: None
These descriptions need some clarification.
Acne is not a typical Levothyroxine effect.
Aromatization does not apply to thyroid hormone.
“HBR: Low” is also too simple. Excess thyroid hormone can raise pulse and blood pressure and may worsen cardiovascular problems.
“Hepatotoxicity: None” is also too absolute. Levothyroxine is not usually considered hepatotoxic, but official adverse-event information includes possible elevations in liver-function tests.
Where to Buy T4 150mcg
Customers may search for T4 150mcg, Levothyroxine 150mcg tablets, or T4 60 Tablets.
American Brand provides this product in a 60-tablet bottle.
The main product details are:
Brand: American Brand
Product: T4
Active Ingredient: Levothyroxine
Strength: 150mcg
Quantity: 60 Tablets
Type: Thyroid Hormone
Customers can review current availability through the GainBuilt Fitness Shop.
Levothyroxine is a prescription thyroid medicine.
The correct dose depends on thyroid test results and individual health factors.
Before ordering, confirm the strength and product quantity.
You can also review GainBuilt Fitness’s Prescription Policy before purchase.
For official prescribing information, see DailyMed Levothyroxine Information.
Frequently Asked Questions About T4 150mcg
1. What is T4 150mcg?
T4 150mcg is a Levothyroxine thyroid hormone tablet. Each American Brand tablet contains 150mcg.
2. How many tablets are in one bottle?
Each bottle contains 60 tablets.
3. What is T4 150mcg used for?
Levothyroxine is mainly used to replace thyroid hormone in people with hypothyroidism.
4. What is the half-life of T4?
T4 has a long elimination profile. The supplied product specification lists approximately 6–7 days.
5. Can T4 be used for weight loss?
It should not be used to treat obesity or for weight loss. Official Levothyroxine labeling carries a specific boxed warning against this use.
Check T4 150mcg Availability
Review T4 150mcg (60 Tablets) – American Brand for complete product information.
Each tablet contains 150mcg of Levothyroxine. One bottle contains 60 tablets.
Confirm the product strength before ordering.
Browse more products from American Brand Labs or visit the GainBuilt Fitness Shop.
For medical reference, use MedlinePlus Levothyroxine Information and DailyMed Levothyroxine Prescribing Information.






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