Thankfully, glutathione itself is naturally halal, but the final ruling depends entirely on: Gelatin use Alcohol content Flavor/preservatives Factory certification Halal authority approval Always purchase from brands that provide full halal transparency , complete documentation, and clear ingredient lists FAQs 1
Availability of data and materials All data generated or analyzed during this study are included in this published article (tables and figures)
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Future research should address long-term RCTs, head-to-head comparisons (e.g., vs
In terms of gut microbiota modulation, SAL increases the abundance of probiotics such as Bacteroidetes and Firmicutes while reducing Lactobacillus levels, thereby improving microbial composition