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Hyaluronic Acid

Hyaluronic Acid

Best for

Reduce fine lines and wrinkles

Large effect, needs confirmation · 60–200 mg/day for 4–12 weeks · 7 studies , n=224

25 papers · 7 claims · 41 outcomes scored · 6 positive

Outcomes

What hyaluronic acid actually does, by outcome

Each row is one outcome with effect size, evidence base, the dose that worked in trials, and time to first effect. Magnitude tiers come from native-unit MCID where available, Cohen's d otherwise.

Outcome Effect Evidence Dose Weeks Rank
Build firmer, denser skin Large effect, needs confirmation
large 		7 meta-analyses n=328 Meta-analyzed 60–200 mg 4–12 wk #3/8
Reduce fine lines and wrinkles Large effect, needs confirmation
large 		7 RCTs n=224 60–200 mg 4–12 wk #1/5
Reverse visible sun damage Large effect, needs confirmation
large 		1 study n=52 — 4 wk #2/2
Increase lip fullness Large effect, needs confirmation
large 		1 RCT n=40 — 4 wk —
Smooth rough, uneven skin Promising early signal
moderate 		2 RCTs n=50 60 mg 8–12 wk #1/2
Boost skin hydration Faint early signal
small 		7 meta-analyses n=348 Meta-analyzed 60–200 mg 4–12 wk #4/13
Boost skin radiance Not enough research
1 RCT n=— 200 mg 4 wk —
Buy well

Recommended Hyaluronic Acid products

Real products that dose Hyaluronic Acid where the research does, in a clean formulation, from brands we've audited. We only list ones we'd stand behind.

Chosen for adequate Hyaluronic Acid dosing vs. the studied range, a clean formulation (grade A–C), and independent brand-quality audits. Not sponsored.

Risk profile

Adverse events and known drug interactions

Safety events

severe acute inflammatory reactions (SAIR) with cross-linked hylan G-F 20 moderate
diarrhea mild
hypoesthesia of the tongue mild
skin irritation mild
oral irritation / stinging mild
injection-site pain and swelling mild
post-inflammatory hyperpigmentation mild
gastrointestinal discomfort (dyspepsia, flatulence, reflux esophagitis, appetite loss) mild

Drug interactions

Imatinib major decreases effect
Celecoxib major increases concentration
Voriconazole major increases concentration
Insulin moderate increases concentration
Lisinopril moderate decreases concentration
5-Fluorouracil moderate decreases effect

Co-studied with

Supplements that share evidence with hyaluronic acid

Sources

  1. 1. Anti-Wrinkle Efficacy of Cross-Linked Hyaluronic Acid-Based Microneedle Patch with Acetyl Hexapeptide-8 and Epidermal Growth Factor on Korean Skin. (2019) ↑
  2. 2. Oral Hyaluronan Relieves Wrinkles and Improves Dry Skin: A 12-Week Double-Blinded, Placebo-Controlled Study. (2021) ↑
  3. 3. Oral intake of a new full-spectrum hyaluronan improves skin profilometry and ageing: a randomized, double-blind, placebo-controlled clinical trial. (2021) ↑
  4. 4. 2-kDa hyaluronan ameliorates human facial wrinkles through increased dermal collagen density related to promotion of collagen remodeling. (2023) ↑
  5. 5. Effectiveness of Dietary Supplement for Skin Moisturizing in Healthy Adults: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. (2022) ↑
  6. 6. Oral administration of hyaluronic acid to improve skin conditions via a randomized double-blind clinical test. (2023) ↑
  7. 7. Oral sodium hyaluronate improves skin hydration, barrier function and signs of aging: a randomized, double-blind, placebo-controlled trial in 150 healthy adults. (2025) ↑
  8. 8. Anti-aging and filling efficacy of six types hyaluronic acid based dermo-cosmetic treatment: double blind, randomized clinical trial of efficacy and safety. (2014) ↑
  9. 9. Oral hyaluronan relieves wrinkles: a double-blinded, placebo-controlled study over a 12-week period. (2017) ↑
  10. 10. Oral Supplementation with a New Hyaluronic Acid Matrix Ingredient Improves Skin Brightness, Hydration, Smoothness, and Roughness: Results from a Randomized, Double-Blinded, Placebo-Controlled Study. (2025) ↑

Generated August 14, 2026

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