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Blackstone Labs Letro XT 60 Tablets

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 Blackstone Labs Letro XT 60 Tablets
 Blackstone Labs Letro XT 60 Tablets
 Blackstone Labs Letro XT 60 Tablets
 Blackstone Labs Letro XT 60 Tablets
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Blackstone Labs Letro XT 60 Tablets

Blackstone Labs Letro XT is back, same great supplement but in new packaging. Letro XT is billed as "The World's Strongest PCT" and it aims to boost testosterone levels while also blocking estrogen and helping to eliminate water retention. This supplement can be used both on cycle and off cycle, and is great for those looking to maintain gains and strength while coming off a prohormone cycle. 

Blackstone Labs Letro XT Highlights & Benefits

  • Powerful Testosterone Booster
  • Estrogen Blocker Evicerates Estrogen & Eliminates Water Retions
  • This Powerful PCT Can Be Used on or Off Cycle

Letro XT Ingredient Breakdown


This compound helps block estrogen biosynthesis and supports the production of dihydrotestosterone and testosterone to encourage lean muscle building while losing fat.


This compound is a metabolite of ATD which limits the conversion of testosterone into estrogen and supports an androgenic environment to support greater muscle gains and strength gains. 

What Can I Stack Letro XT With?

Letro XT can be taken on cycle or post cycle with any Hi-Tech, Blackstone Labs, Innovative Labs or LG Sciences Prohormones. You can checkout our entire collection of prohormones and andros here!


Take 1 tablet in the morning and 1 in the evening. 

Blackstone Labs Letro XT 60 Tablets Ingredients

Warnings & Side Effects

Store in a cool dry place after opening. 


Kwok WH, Leung GN, Wan TS, Curl P, Schiff PJ. Metabolic study of androsta-1,4,6-triene-3,17-dione in horses using liquid chromatography/high resolution mass spectrometry. J Steroid Biochem Mol Biol. 2015 Aug;152:142-54. doi: 10.1016/j.jsbmb.2015.05.011. Epub 2015 May 29. PMID: 26031748.

Granados J, Gillum TL, Christmas KM, Kuennen MR. Prohormone supplement 3β-hydroxy-5α-androst-1-en-17-one enhances resistance training gains but impairs user health. J Appl Physiol (1985). 2014 Mar 1;116(5):560-9. doi: 10.1152/japplphysiol.00616.2013. Epub 2013 Dec 31. PMID: 24381122.

†We make every effort to ensure that the product images displayed on our website faithfully represent what you will receive. However, we recognize that digital representations can sometimes fall short of capturing every nuance of the product's physical attributes. Differences in color, size, and packaging details might exist. To mitigate this, we advise our valued customers to delve into the product descriptions where the specific features, ingredients, and usage instructions of each product are meticulously outlined. This approach helps bridge the gap between expectation and reality, ensuring you are fully informed about your purchase.

†These statements have not been evaluated by the Food and Drug Administration. This product is not intended to treat, cure, diagnose, or prevent any disease.

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