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Compound

Hyaluronic Acid

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Hyaluronic Acid. Glycosaminoglycan supporting skin hydration and joint lubrication.

How it works. Holds water in extracellular matrix; intra-articular HA cushions joints.

What the research supports. 2 graded claims. Strongest: Improves skin hydration with oral 120–240 mg/d (moderate).

How much to take. Typical dose: 120–240 mg/d oral.

Side effects and interactions. 1 medication interaction listed. Serious: Discontinue and seek medical advice if symptoms are severe, persistent, or include difficulty breathing.

Stacking. Pairs well with Collagen peptides, Vitamin C.

Common forms. Available as Low MW HA (oral), Topical HA, Intra-articular HA (Rx).

Key studies. 9 studies cited. The strongest are listed with links to PubMed.

Community. Experiences from people who have tried Hyaluronic Acid. Anecdotes are not medical advice.

Hyaluronic Acid. Glycosaminoglycan supporting skin hydration and joint lubrication.

Key compound: glucuronic acidC6H10O7 · 194.14 g/mol

What it is

Glycosaminoglycan supporting skin hydration and joint lubrication.

Also called

HASodium hyaluronate

Food sources

Microbial fermentation

Goals

Skin, Hair & NailsJoint & Connective TissueEye Health

How it works

Holds water in extracellular matrix; intra-articular HA cushions joints.

Pathways

  • ECM hydration

Effects

  • +Skin hydration supports
  • +Joint comfort supports

What the research supports

Improves skin hydration with oral 120–240 mg/dmoderate
Reduces knee OA painmoderate

Strong: consistent results across large trials or meta-analyses. Moderate: several trials, mostly positive. Limited: small or mixed studies. Preclinical: animal or cell research only.

Typical dose
120–240 mg/d oral
TimingConsistent daily timing recommended; split larger doses if GI tolerance is a concern.
With foodWith a meal containing fat for fat-soluble compounds; otherwise either.
Best formMost evidence is based on the low mw ha (oral) form.
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Side effects & interactions

Common side effects

  • Hyaluronic Acid is generally well-tolerated at evidence-based doses
  • Mild GI discomfort (nausea, loose stools, or bloating) possible at higher intakes
  • Headache or transient fatigue reported by a small fraction of users

Serious

  • Discontinue and seek medical advice if symptoms are severe, persistent, or include difficulty breathing

Medication interactions

Prescription medications (general)minor

Always disclose Hyaluronic Acid use to your prescriber — additive, antagonistic, or pharmacokinetic interactions are possible.

Check any supplement–medication combination with your pharmacist before starting.

Combines with

Pairs well

  • Collagen peptidesProvides amino acid substrate for connective tissue synthesis.
  • Vitamin CRequired cofactor for collagen hydroxylation.

Common forms

  • Low MW HA (oral)
  • Topical HA
  • Intra-articular HA (Rx)

Key studies

9 studies cited in total.

PubMed: Hyaluronic Acid — Improves skin hydration with oral 120–240 mg/d ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching Hyaluronic Acid and "Improves skin hydration with oral 120–240 mg/d". Filter by RCT, meta-analysis, or year on the results page.

PubMed: Hyaluronic Acid — Reduces knee OA pain ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching Hyaluronic Acid and "Reduces knee OA pain". Filter by RCT, meta-analysis, or year on the results page.

PubMed: Hyaluronic Acid — randomized controlled trial ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching Hyaluronic Acid and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.

Discussion

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