Cytomel is the original pharmaceutical brand name for Liothyronine Sodium, synthetic T3. This generic formulation delivers 25mcg per tablet in a 100 count format; double the tablet count of CSD’s 50 tablet Cytomel and Liothyronine listings at the same concentration, suited to extended protocols or researchers maintaining standing supply.
The same fundamental considerations apply regardless of pack size or brand. T3 bypasses peripheral T4 to T3 conversion entirely, producing a faster and more acute metabolic effect than Levothyroxine. Used without diagnosed thyroid deficiency, this triggers pituitary feedback suppression of the body’s own thyroid production and commonly produces a rebound effect once use stops, alongside cardiac strain and muscle protein breakdown risk if caloric and protein intake aren’t adequately managed.
Every batch of CSD’s Cytomel is third party lab tested for concentration accuracy and purity before being made available, with COA documentation available on request. CSD now stocks T3 across generic, Evolve Biolabs, and Cytomel branded presentations in both 50 and 100 tablet formats, giving researchers complete brand and pack size flexibility within the same compound. All orders ship discreetly across Canada in plain, unmarked packaging with no identifying information on the exterior.
Liothyronine is a fast acting thyroid hormone medication that should only be used to treat a diagnosed thyroid condition under medical supervision with regular blood testing. Unsupervised use for weight loss carries real risks including cardiac strain, muscle loss, and suppression of natural thyroid function, and is not a safe or sustainable approach to weight management.
Store in a cool, dry place away from direct light and heat.
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