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      • RU58841 SOLUTION (SARM SUPPORT) for Sale
      • RU58841 POWDER (SARM SUPPORT) for Sale
Umbrella Labs
  • 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
  • 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

OTR-AC for Sale

OTR-AC is the esterified version of the SARM MK-2866, otherwise known as Ostarine. Various animal-focused studies have shown that supplementation with Ostarine can have many positive benefits such as increased muscular vascularization and muscle metabolism.

Ostarine and Muscle Growth

A notable study conducted by Roch et. Al, has studied the effect Ostarine has on 3-month-old female rats that were either kept intact or were ovariectomized. The rats were treated with Ostarine for 5 weeks and at the end of 5 weeks, the researchers measured changes in the weight in the uterus, gastrocnemius, and soleus muscles, as well as any changes to the size of the muscle fibers, the capillaries, and various enzyme activity.

Dosing with Ostarine had a positive effect on muscle vascularization and metabolism in the muscle. Additionally, Ostarine supplementation led to higher capillary density in the muscles and increased activity of citrate synthase in the gastrocnemius, and increased activity of lactate dehydrogenase in the longissimus muscle (https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7528560/).

Process of Esterification

Esters are derived from carboxylic acids. The process of esterification entails replacing a hydroxyl group (-OH) with an alkyl (-O-) group. Esterification is considered a substitution reaction and is produced when the original carboxylic acid group is heated and in the presence of an acid catalyst. The most common acid used in these reactions is sulphuric acid, however, in special cases, acids such as hydrogen chloride can be used as the catalyst (https://www.chemguide.co.uk/organicprops/alcohols/esterification.html).

Differences Between OTR-AC and MK-2866

By adding an ester group to Ostarine, various benefits are added to the compound that is not seen in use with Ostarine alone. For example, when Ostarine undergoes an esterification reaction, the compound becomes more potent overall and the half-life is shown to have increased by more than 10 times the normal level, indicating that the ester version of Ostarine will be active for ten times as longer than the non-esterified version thus leading to additional benefits

Additionally, esters also act as emulsifiers. Generally, the job of emulsifiers is to reduce the surface tension between two liquids, and when the surface tension is reduced the mixture is considerably more stable. This phenomenon indicates that when Ostarine undergoes esterification it becomes a much more stable compound and could add additional benefits when being used for supplementation (https://www.acme-hardesty.com/esters-personal-care-market/).

Our compounds are available in powdered, poly-cell, and standard polyethylene glycol formulations. We employ an amphiphilic copolymer to form polymeric micelles that enhance the animal 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.

The primary concern for SARM researchers today is where to buy SARMS that are reliable and consistently pure. 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.

Shipping Conditions: Ambient temperature.

Storage: Keep in a cool and dark location.


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