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SARM S23 Half Life – How Frequently Should It Be Dosed?

S23 Half Life – Plasma Concentrations

Based on the Plasma Concentration chart in the S23 study, we can see the concentration of S23 in the research subjects from both IV administration, and oral administration.

Looking at the oral administration concentration, we can see that it peaks at about the 240-245 minute mark, which is about 4 hours, and forms a plateau over 6-10 hours after dosing.

The plasma concentration starts rapidly declining after this point, and it looks like the point where half of the plasma concentration has cleared the subject’s system is at about the 12-hour point.

To be exact, the mean terminal half life of S23 is 11.9 hours based on this study.

By definition, the plasma concentration of a drug is halved after one elimination half life.

Half Life Definition: “Time it takes for the plasma concentration or the amount of drug in the body to be reduced by 50%.”

Based on this chart, we can conclude that twice a day dosing, with doses split up into morning and night doses (at least) is a far more viable dosing frequency for research purposes than one single bolus dose would be.

Keep in mind, this is what we can conclude based on this preclinical rodent model, but how this plays out in practical application in humans remains to be seen.

We have seen how variable this can be, especially when it came to S4 (Andarine).

Where To Buy S23

For those that are just here find out where to buy accurately dosed, third party tested S23, these are the only companies I currently use for my own personal research:

(Greater Than 99% Purity: FTIR, HPLC, GC-MS, LC-MS & NMR Tested)

Proven Peptides – 10% off coupon code “DC10”

Science.bio – 10% off coupon code “DC10”

Chemyo – 10% off coupon code “DC10”

Narrows Labs – 25% off coupon code “D25”

Swiss Chems – 11% off coupon code “DC11”

Androbolics Canada (CAD Currency)

Disclaimer: The information included in this article is intended for entertainment and informational purposes only. It is not intended nor implied to be a substitute for professional medical advice. Prior to buying anything, check that it is compliant where you live with your current government laws.

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