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T4 99% CAS 51-48-9 Anabolic Steroid Powder L-Thyroxine For Treating Hypothyroidism
Quick Details :
L-Thyroxine T4 Profile:
Product Name: L-Thyroxine
Synonyms: T4, Levothyroxine, Levothyroxine Sodium, Tetraiodothyronine, L-T4
Appearance: An odorless almost white or buff colored powder
Melting point: 235 °C
Solubility: Insoluble in water
Usage: Hypothyroidism treatment, weight loss
Metabolism: Mainly in liver, kidneys, brain and muscles
Levothyroxine (INN, USAN) or L-thyroxine is a synthetic thyroid hormone that is chemically identical to thyroxine (T4), which is naturally secreted by the follicular cells of the thyroid gland. It is used to treat thyroid hormone deficiency, and occasionally to prevent the recurrence of thyroid cancer. Like its naturally secreted counterpart, levothyroxine is a chiral compound in the L-form. The related drug dextrothyroxine (D-thyroxine) was used in the past as a treatment for hypercholesterolemia (elevated cholesterol levels) but was withdrawn due to cardiac side effects.
Levothyroxine is typically used to treat hypothyroidism, and is the treatment of choice for patients with hypothyroidism, who often require lifelong thyroid hormone therapy. It may also be used to treat goiter via its ability to lower thyroid-stimulating hormone (TSH), a hormone that is considered goiter-inducing. Levothyroxine is also used as interventional therapy in patients with nodular thyroid disease or thyroid cancer to suppress thyroid-stimulating hormone (TSH) secretion. In 1992, President George H. W. Bush told television host Larry King that he had been prescribed levothyroxine as part of a treatment regimen for Graves' disease.
Side effects: This medication should not be used for weight loss. Normal doses of this medication will not work for weight loss, and large doses of this medication may cause serious, possibly fatal side effects, especially when taken with diet pills.
L-thyroxine is typically used to treat hypothyroidism,and is the treatment of choice for patients with
hypothyroidism, who often require lifelong thyroid hormone therapy.It may also be used to treat
goiter via its ability to lower thyroid-stimulating hormone (TSH), a hormone that is considered
goiter-inducing. L-thyroxine is also used as interventional therapy in patients with nodular thyroid
disease or thyroid cancer to suppress thyroid-stimulating hormone (TSH) secretion.
Levothyroxine is widely used by bodybuilders and fitness addicts on pre-competition cycle in
order to get relief, also used by overweighed people to reduce weight. It increases metabolism
and produces general stimulating effects. However, this substance should be used wisely.
Levothyroxine for systemic administration is available as an oral tablet, an intramuscular injection,
and as a solution for intravenous infusion. Furthermore, levothyroxine is available as both brand-
name and generic products. While the United States Food and Drug Administration (FDA)
approved the use of generic levothyroxine for brand-name levothyroxine in 2004, the decision
was met with disagreement by several medical associations.The American Association of
Clinical Endocrinologists (AACE), the Endocrine Society, and the American Thyroid Association
did not agree with the FDA that brand-name and generic formulations of levothyroxine were
bioequivalent.] As such, it was recommended that patients be started and kept on either brand-
name or generic levothyroxine formulations and not changed back and forth from one to the
other.For patients who do switch products, it is recommended that their TSH and free T4 levels
be tested after six weeks to check that they are within normal range.
|Appearance||White crystalline powder|
|Identification||By UV, To match with working standard||Complies|
|Related Substances||Not more than the reference solution (0.05%)||Complies|
|Loss on drying||＜0.5%||0.15%|
|Resiue on ignition||≤0.1%||0.05%|
Packaging & Delivery:
1. High quality with competitive price:
1) Standard: Enterprise Standard
2) All Purity≥99%
3) We are manufacturer and can provide high quality products with factory price.
2. Fast and safe delivery
1) Parcel can be sent out in 24 hours after payment. Tracking number available
2) Secure and discreet shipment. Various transportation methods for your choice.
3) Customs pass rate ≥99%
4) We have our own agent/remailer/distributor who can help us ship our products very fast and safe, and we have stock in there for transferring.
3. We have clients throughout the world.
1) Professional service and rich experience make customers feel at ease, adequate stock and fast delivery meet their desire.
2) Market feedback and goods feedback will be appreciated, meeting customers's requirement is our responsibility.
3) High quality, competitive price, fast delivery, first-class service gain the trust and praise from the customers.
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