Best Supplements for Improved Skin Hydration
Ranked by research evidence. Compare 12 supplements across 23 papers from the biomedical literature, with effect direction, evidence strength, and dose range for each.
Top picks by evidence
- Low evidence10 studies
Across 10 studies, all reported beneficial effects of Lactobacillus brevis SBC8803 on skin hydration, with effects predominantly small to moderate in size. Only one study (a meta-analysis) reached statistical significance, while the primary RCT (n=126) showed marginal, non-significant improvements. Doses were not consistently reported, but one RCT used 25 mg/day and 50 mg/day of heat-killed SBC8803. Most studies were reviews, and the longest trials lasted 8–12 weeks.
Dose: 25–50 mg/day
12 supplements
- LowLactobacillus brevis SBC8803Across 10 studies, all reported beneficial effects of Lactobacillus brevis SBC8803 on skin hydration, with effects predominantly small to moderate in size. Only one study (a meta-analysis) reached statistical significance, while the primary RCT (n=126) showed marginal, non-significant improvements. Doses were not consistently reported, but one RCT used 25 mg/day and 50 mg/day of heat-killed SBC8803. Most studies were reviews, and the longest trials lasted 8–12 weeks. · Dose: 25–50 mg/day10 beneficial10 studies