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Studies have demonstrated that 4% niacinamide can significantly reduce melasma severity ( Navarrete-Sols et al., Dermatology Research and Practice, 2011 ), improve moisture retention, and enhance overall texture ( Boo, 2021 )
They may be discussed for people who want: Gut health support Stomach or intestinal comfort A needle-free option A simple daily routine Easier long-term use A more convenient form of peptide therapy The biggest advantage of capsules is convenience
Unlike complex skincare routines or dietary changes, taking a daily tablet requires minimal time and effort
(2025) 39:e71034
However, the original preparation is thought to have contained magnesium chloride, vitamin C, vitamin B-series, calcium gluconate, thiamine and diluted hydrochloric acid
