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2025 Apr 22;16(1):3777
Harris et al
Gut microbiome differences in children with attention deficit hyperactivity disorder and autism spectrum disorder and effects of probiotic supplementation: a randomized controlled trial
Participants were randomly assigned 3:1 to receive AMG 133 or placebo
Protide Health is a US-based research peptide supplier carrying a catalog of more than 50 compounds, and it ranks first here because its certificates document more testing, in more detail, than any other supplier in this comparison
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