Hyaluronic Acid Supplement

Efficacy

Show 5 more outcomes
Outcome				Grade		Effect		Evidence		Studies
Skin Elasticity				A		🠩🠩🠩 Marked		★★★★ Good		4 studies 175 participants
Skin Hydration				A		🠩🠩 Notable		★★★★ Good		3 studies 120 participants
Skin Barrier Function				A		🠩🠩 Notable		★★★★ Good		2 studies 100 participants
Skin Firmness				A		🠩🠩 Notable		★★★★ Good		1 study 60 participants
Skin Smoothness				B		🠩🠩 Notable		★★★ Fair		2 studies 60 participants
Wrinkles				C		⇩ Potential		★★★ Fair		4 studies 170 participants
Hair Strength				C		⇧ Potential		★★ Some		1 study 20 participants
Nail Strength				C		⇧ Potential		★★ Some		1 study 20 participants
Skin Brightness				E		– No Effect		★★★ Fair		1 study 55 participants
Skin Thickness				E		– No Effect		★★★ Fair		1 study 40 participants

Mechanisms

Outcome				Grade		Effect		Evidence		Studies
Collagen				E		– No Effect		★★★ Fair		1 study 40 participants

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