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  • Home
    • Sarms for Sale
      • 5-ALPHA-HYDROXY LAXOGENIN for Sale
      • ACP 105 for Sale
      • LGD-4033 for Sale
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      • MK-677 for Sale
      • OTR-AC for Sale
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    • Peptides for Sale
      • PEPTIDE LIQUID SPRAY BOTTLE
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      • ADAMAX PEPTIDE for Sale
      • ADIPOTIDE PEPTIDE for Sale
      • ALPHA MSH PEPTIDE for Sale
      • AOD9604 PEPTIDE for Sale
      • BACTERIOSTATIC WATER for Sale
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      • PEG-MGF PEPTIDE for Sale
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      • GONADORELIN PEPTIDE for Sale
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      • OXYTOCIN PEPTIDE LIQUID SPRAY for Sale
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      • COLURACETAM for Sale
      • COMPOUND 7P for Sale
      • D-RIBOSE for Sale
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      • NOOPEPT GVS-111 for Sale
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      • J147 for Sale
      • PHOSPHATIDYLSERINE for Sale
      • NMN (NICOTINAMIDE MONONUCLEOTIDE) for Sale
      • N-ACETYL L-TYROSINE (NALT) for Sale
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      • MAGNOLOL 98% MAGNOLIA BARK EXTRACT for Sale
      • KX-826 for Sale
      • WAY 316606 for Sale
      • N-PHENETHYL DIMETHYLAMINE (10 GRAMS) for Sale
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    • Lab Supplies
      • 1mL Pipette Dropper for Sale
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      • 25mg – 30mg Micro Scoop for Sale
      • 150mg Micro Scoop for Sale
      • 30mL (1oz) Glass Bottle for Sale
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      • 500mg (0.5g) Micro Scoop for Sale
      • Micro Scoops Variety Pack for Sale
    • Research Chemicals for Sale
      • RU58841 SOLUTION (SARM SUPPORT) for Sale
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  • More
    • Home
      • Sarms for Sale
        • 5-ALPHA-HYDROXY LAXOGENIN for Sale
        • ACP 105 for Sale
        • LGD-4033 for Sale
        • MK-2866 for Sale
        • MK-677 for Sale
        • OTR-AC for Sale
        • RU58841 for Sale
        • S-23 for Sale
        • S-4 for Sale
        • SR-9009 for Sale
        • SR-9011 for Sale
        • YK-11 for Sale
        • GW 0742 for Sale
        • RAD-140 for Sale
        • GW-501516 for sale
        • RAD-150 for Sale
        • LGD-3303 for Sale
      • Peptides for Sale
        • PEPTIDE LIQUID SPRAY BOTTLE
        • ACE-031 PEPTIDE for Sale
        • ADAMAX PEPTIDE for Sale
        • ADIPOTIDE PEPTIDE for Sale
        • ALPHA MSH PEPTIDE for Sale
        • AOD9604 PEPTIDE for Sale
        • BACTERIOSTATIC WATER for Sale
        • BPC-157 PEPTIDE for Sale
        • CJC-1295 DAC PEPTIDE for Sale
        • CJC-1295 NO DAC PEPTIDE for Sale
        • DSIP PEPTIDE for Sale
        • EPITALON PEPTIDE for Sale
        • FOLLISTATIN 344 FST-344 for Sale
        • FRAGMENT 176-191 PEPTIDE for Sale
        • GHK-CU COPPER PEPTIDE for Sale
        • GHRP-2 PEPTIDE (GROWTH HORMONE RELEASING PEPTIDE for Sale
        • VIP PEPTIDE for Sale
        • KPV PEPTIDE for Sale
        • PE22.28 PEPTIDE for Sale
        • MOTS-C PEPTIDE for Sale
        • LL-37 PEPTIDE for Sale
        • THYMALIN PEPTIDE for Sale
        • TRIPTORELIN PEPTIDE for Sale
        • SNAP-8 PEPTIDE for Sale
        • TESAMORELIN PEPTIDE for Sale
        • PEG-MGF PEPTIDE for Sale
        • IGF-1 DES PEPTIDE for Sale
        • P21 PEPTIDE LIQUID SPRAY for Sale
        • SERMORELIN PEPTIDE for Sale
        • GONADORELIN PEPTIDE for Sale
        • MELANOTAN II PEPTIDE for Sale
        • HEXARELIN PEPTIDE for Sale
        • MODIFIED GRF (1-29) PEPTIDE for Sale
        • OXYTOCIN PEPTIDE LIQUID SPRAY for Sale
        • SELANK PEPTIDE LIQUID SPRAY for Sale
        • IGF-1 LR3 PEPTIDE for Sale
        • SEMAX PEPTIDE LIQUID SPRAY for Sale
        • GHRP-6 PEPTIDE (GROWTH HORMONE RELEASING PEPTIDE 6) for Sale
        • IPAMORELIN PEPTIDE for Sale
        • MGF MECHANO GROWTH FACTOR PEPTIDE for Sale
        • PT-141 BREMELANOTIDE PEPTIDE for Sale
        • TB-500 THYMOSIN BETA-4 PEPTIDE for Sale
      • Nootropics
        • 5-HTP for Sale
        • 7,8-DIHYDROXYFLAVONE HYDRATE (DHT) for Sale
        • 9-ME-BC for Sale
        • ACA for Sale
        • ACETYL L-CARNITINE (ALCAR) for Sale
        • ADRAFINIL for Sale
        • AGOMELATINE for Sale
        • ALPHA-GPC for Sale
        • ANIRACETAM for Sale
        • BEMETHYL for Sale
        • BROMANTANE
        • CB-03-01 for Sale
        • CITICOLINE (CDP-CHOLINE) for Sale
        • COLURACETAM for Sale
        • COMPOUND 7P for Sale
        • D-RIBOSE for Sale
        • PHENYLPIRACETAM for Sale
        • NOOPEPT GVS-111 for Sale
        • FLADRAFINIL (CRL-40,941) for Sale
        • PRAMIRACETAM for Sale
        • TURKESTERONE 20% for Sale
        • PHENYLPIRACETAM HYDRAZIDE for Sale
        • FASORACETAM for Sale
        • NRC NIAGEN for Sale
        • IDRA-21 for Sale
        • SULBUTIAMINE for Sale
        • SPERMIDINE 3HCL for Sale
        • URIDINE MONOPHOSPHATE for Sale
        • NSI-189 PHOSPHATE for Sale
        • L-THEANINE for Sale
        • LAXOGENIN for Sale
        • PRL-8-53 for Sale
        • J147 for Sale
        • PHOSPHATIDYLSERINE for Sale
        • NMN (NICOTINAMIDE MONONUCLEOTIDE) for Sale
        • N-ACETYL L-TYROSINE (NALT) for Sale
        • L-TYROSINE for Sale
        • MAGNOLOL 98% MAGNOLIA BARK EXTRACT for Sale
        • KX-826 for Sale
        • WAY 316606 for Sale
        • N-PHENETHYL DIMETHYLAMINE (10 GRAMS) for Sale
        • NEFIRACETAM for Sale
        • VINPOCETINE for Sale
      • Lab Supplies
        • 1mL Pipette Dropper for Sale
        • 6mg – 10mg Micro Scoop for Sale
        • 10mg – 15mg Micro Scoop for Sale
        • 25mg – 30mg Micro Scoop for Sale
        • 150mg Micro Scoop for Sale
        • 30mL (1oz) Glass Bottle for Sale
        • 30mL Bottle w 1mL Dropper for Sale
        • 500mg (0.5g) Micro Scoop for Sale
        • Micro Scoops Variety Pack for Sale
      • Research Chemicals for Sale
        • RU58841 SOLUTION (SARM SUPPORT) for Sale
        • RU58841 POWDER (SARM SUPPORT) for Sale

S-23 for Sale

S23 is an orally available selective androgen receptor modulator or SARM. Originally developed by GTX as a form of hormonal male contraception in rats,it exhibits a high affinity for the androgen receptor with a Ki of 1.7 nM. Researchers, Jones et. Al published a research study comparing the effectiveness of S-23 in both castrated and intact male rats.

S-23 SARM Effects on Fertility

In castrated male rats, the effective dose of S23 in the prostate was 0.43 mg/d and 0.079 mg/d in the levator ani muscle. In intact male rats, doses greater than 0.1 mg/d of S-23 suppressed levels of luteinizing hormone (LH) by more than 50%. Furthermore, this dose of S-23 corresponded with decreased size of the prostate and increased size of the levator ani muscle (https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2630904/).

In intact males treated with S-23 as well as estradiol benzoate (to maintain sexual behavior), after 10 weeks there was no sperm found in the testis in four out of the six subjects and no reported pregnancies in all six of the subjects. After the treatment, infertility was completely reversed and 100% of the mating trials resulted in pregnancy.

S-23 SARM Effects on Muscle Mass and Body Fat

The effects of S23 on muscle mass and body fat are comparable to the effects of anabolic steroids. In a study conducted in male rats it was discovered that while being treated with S23, the overall body weight and fat mass of the rats decreased.

As it was previously mentioned, rats being treated with S23 were also given estradiol benzoate (EB) to maintain sexual behavior. EB is considered an estrogen which is known to cause muscle loss, however, when combined with S23 the effects of the estrogen were canceled out and the muscle mass of the male rats increased (https://drugs.selfdecode.com/blog/s23/).

Additionally, in another study using rats, the effectiveness of S23 was tested against muscle loss due to long-term usage of glucocorticoids. This study also looked into the effects of S23 on castration-induced atrophy. In both cases, there was muscle loss but by supplementing S23 and testosterone to the rats the dexamethasone-induced dephosphorylation of Akt is blocked. Overall this study indicated that using S23 may be a more effective way of treating glucocorticoid-induced muscle loss (https://pubmed.ncbi.nlm.nih.gov/20534726/).

Our compounds are available in powdered, poly-cell, and standard polyethylene glycol formulations. We employ an FDA-approved amphiphilic copolymer + coconut MCT oil to form polymeric micelles that enhance the bioavailability of select SARMs.

Furthermore, our nano-emulsification process ensures minimum polymeric micelle size and variance. Most importantly, our Poly-Cell Formula TM is optimized for sublingual absorption with a minimal taste profile. This stands in contrast to PEG, which is often intolerable for sublingual delivery due to its very unpleasant taste, leading to poor compliance among research participants. However, we do offer PEG for researchers who prefer the standard research delivery method.

The primary concern for SARM researchers today is product purity. Umbrella Labs insures and guarantees its product purity by incorporating a process of Independent testing using Mass Spectrometry and Ultraviolet Radiation. Certificates of our product Independent tests are posted with our product descriptions.


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