how long is glutathione good for Injections: Side Effects & Benefits Is Glutathione the Master Antioxidant?

They ask the following which I am unsure of (forgive me as I am a total newbie to all of this!) and am perplexed by the request for verification (I have never self injected anything so don't really understand what they are asking!: Please note that the Inject-Ease does not administer intramuscularly so before you purchase the Inject-Ease verify that your B12 injection is subcutaneous

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In cellular experiments using murine C2C12 myoblast lines, this compound effectively facilitates orderly myoblast differentiation and accelerates the fusion process toward mature myotube formation

10.1124/pr.113.007450

Q: Will glutathione bleach my skin unnaturally