Interaction Checker
Add peptides or compounds to check all pairwise interactions, cumulative organ load, and safety flags.
Elevated gonads load from Nandrolone, Testosterone. Monitor this organ system closely.
Cumulative Organ Load
Gonads elevated
Heart moderate
Liver low
Blood Vessels low
Pancreas low
Shared Safety Flags
2x 2 androgenic compounds (Nandrolone, Testosterone). Additive androgenic load — increased risk of hair loss, acne, prostate effects.
2x 2 compounds share the carcinogenic-risk safety flag (Nandrolone, Testosterone). Monitor accordingly.
2x 2 estrogenic compounds (Nandrolone, Testosterone). Combined estrogen elevation — monitor E2 and consider aromatase inhibitor.
2x 2 hepatotoxic compounds (Nandrolone, Testosterone). Liver damage risk significantly increased. Include liver support (TUDCA/NAC) and monitor ALT/AST.
2x 2 HPTA-suppressive compounds (Nandrolone, Testosterone). Deep hormonal shutdown expected — plan extended PCT.
2x 2 compounds disrupt lipids (Nandrolone, Testosterone). Get lipid panel mid-cycle — consider adding lipid support.
2x 2 compounds share the teratogenic safety flag (Nandrolone, Testosterone). Monitor accordingly.
Testosterone base is considered mandatory when running nandrolone. Nandrolone alone causes severe sexual dysfunction ('deca dick') because its reduced metabolite DHN displaces DHT in neurological and sexual tissues. A testosterone-to-nandrolone ratio of at least 1:1 (commonly 2:1 or 3:1) is standard practice to maintain adequate DHT levels for sexual function.
Interaction data is compiled from research literature, pharmacological analysis, and community reports. Inferred interactions are based on known mechanisms and may not reflect all real-world outcomes. Always consult a healthcare professional before combining compounds.