how to know if glutathione is working NOW Foods Supplements, 500 mg, With Milk Thistle Extract & Alpha Lipoic Acid, Free Radical Neutralizer*, 60 Veg Capsules : Health & Household hk vitals Glutathione Effervescent Tablets

That is manageable for someone who has been doing subcutaneous injections for a while

LEARN ABOUT THE GHK-CU PEN FORMAT Studies suggest GHK-Cu may modulate cell gene expression patterns toward younger phenotypes Highest concentration GHK-Cu available in pen format Formulation preserves bioactive copper binding throughout the cycle Studies observed up to 70% collagen synthesis upregulation in fibroblast cultures Syringe markings can vary 10-20% Rubber stopper punctured multiple times Potency drops after reconstitution 5-10 minutes per preparation Vials, syringes, water, needles

B., & Riederer, P

Here is a great thread we found from Layne Norton, a guy we interviewed over ten years ago whose interview is still well worth a read