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Knowledge Base

Why does my sweat smell like ammonia: exercise metabolism and body odour explained by SD Labs

Why Does My Sweat Smell Like Ammonia?

When sweat smells like ammonia, the cause is amino acid catabolism, not poor hygiene. This article explains the protein metabolism, urea cycle, and eccrine gland biochemistry behind ammonia-scented sweat, when...

Why does my body odour smell like feces? The science of skatole and faecal body odour explained by SD Labs

Why Does My Body Odour Smell Like Feces?

The faecal component of body odour is primarily caused by skatole (3-methylindole), produced when gut bacteria break down tryptophan. Because skatole reaches the skin through the bloodstream, this odour can...