S-4 Powder – 1 gram

S-4 is one of the original selective androgen receptor modulators. Similar to other SARMs, it was developed to help prevent muscle wasting, and osteoporosis, and acts on the androgen receptor to increase lean body mass and strength.

Alpha Star Labs products are furnished for LABORATORY RESEARCH USE ONLY. Qualified and licensed professionals should only handle this product. The product may not be used as a drug, agricultural or pesticide product, food additive, or household chemical – and may not be misbranded as such. All information on this website is available for educational purposes only. Bodily introduction of any kind into humans or animals is strictly forbidden by law.

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These statements made within this website have not been evaluated by the US Food and Drug Administration. These statements and the products of this company are not intended to diagnose, treat, cure or prevent any disease.