N-A-G 700 mg

N-A-G 700 mg

Jarrow Formulas4.6 (3,522 ratings)
Format:Capsule Quantity: 120 Veggie Cap(s) · 120 servings
Goals

Product analysis

65 out of 100

N-A-G 700 mg offers an inexpensive option that may help with dry-skin hydration, although the evidence is limited and mainly concerns women with dry skin.

AI assessment of the formula, label and price. How scoring works

Nutrient Quality20

The ingredient preparation is not specified. Its exact form quality remains uncertain, limiting detailed comparison.

Ingredient Transparency63

The amount is disclosed, but the preparation is not. You can compare serving quantities more easily than exact forms.

Value For Money100

The N-acetylglucosamine serving offers very good value. Its affordability is a practical advantage if this ingredient fits your skin-care aims.

Customer Satisfaction86

Customer feedback is broadly positive across several thousand ratings. The review base gives useful confidence in satisfaction without proving improved skin hydration.

Product Focus88

A single ingredient keeps the supplement targeted. Its potential role in dry-skin hydration is based on limited findings, with less certainty about wider appearance changes.

Format
Capsule
Container
120 Veggie Cap(s)
Per serving
$0.18
Customer rating
4.6 · 3,522 ratings
Report analysis

Goals

Skin Health
Impact
Highest effect
A+ Ingredient FitD+ PathwaysA EvidenceA+ Formulation Logic
N-Acetyl Glucosamine · 700 mg

N-acetylglucosamine may help dry-skin hydration, based on small studies in women with dry skin. The 700 mg per serving sits between studied exposures, without proving that this specific amount is effective. Limited findings and inconsistent appearance measures constrain expectations. Optional repeat servings have not been assumed.

How this product is rated for Skin Health

Ingredient fit96

The declared actives are focused on the evaluated skin-related ingredients. The amounts provide an uneven match to the comparison range; this limits how closely the formula resembles the evaluated exposures.
Goal fit
The declared actives are focused on the evaluated skin-related ingredients.
Dose adequacy
The amounts provide an uneven match to the comparison range; this limits how closely the formula resembles the evaluated exposures.

Pathways54

Dermal hyaluronan and water binding is the strongest assigned skin role; the result does not establish the complete product's clinical effect. The recorded reach is concentrated in one skin role.
Depth
Dermal hyaluronan and water binding is the strongest assigned skin role; the result does not establish the complete product's clinical effect.
Breadth
The recorded reach is concentrated in one skin role.

Evidence95

N-Acetyl Glucosamine leads the evidence finding, subject to its specific clinical and population limitations. The counted ingredients match the saved preparation requirements, without confirming a trial of this complete formula.
Evidence strength
N-Acetyl Glucosamine leads the evidence finding, subject to its specific clinical and population limitations.
Studied preparation
The counted ingredients match the saved preparation requirements, without confirming a trial of this complete formula.

Formulation logic100

The evaluated ingredients have no missing required partner or configured conflict. All counted amounts pass the minimum comparison.
Partner coverage
No required partner is missing from the counted ingredients; this does not establish an additional combination benefit.
Conflicts
No configured conflict was identified among the evaluated ingredients.
Effective doses
All counted ingredients pass the minimum amount comparison; passing it does not prove a clinical skin benefit.
Study evidence

Ingredients

IngredientAmount per servingScore
N-Acetyl-D-Glucosamine
700 mg 100
Gluten Free Adults 18–50 Vegan Dairy Free Vegetarian
Report overview
A+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value
Each serving provides 700 mg of N-acetyl-D-glucosamine, with a vegetarian, vegan or shellfish-free claim recorded. The whole-product cost works out to about $0.12 per 500 mg of the ingredient.
How this ingredient is rated

Active Ingredient Quality & Bioavailability100

The recorded name specifies N-acetyl-D-glucosamine. A vegetarian, vegan or shellfish-free claim is recorded; it does not identify how the ingredient was made.
N-Acetyl-D-Glucosamine Isomer Specificity
The recorded name specifies N-acetyl-D-glucosamine.
Source and Allergen Disclosure
A vegetarian, vegan or shellfish-free claim is recorded; it does not identify how the ingredient was made.

Dose, Safety & Label Transparency100

The amount of N-acetyl-D-glucosamine is separately disclosed at 700 mg per serving.
NAG Potency per Serving
A serving supplies 700 mg of N-acetyl-D-glucosamine.
Label Transparency and Blend Clarity
The amount of N-acetyl-D-glucosamine is separately disclosed at 700 mg per serving.

Value100

The whole-product cost corresponds to about $0.12 per 500 mg of N-acetyl glucosamine, based on the labeled amount per serving.
Price per 500mg of N-Acetyl Glucosamine
The whole-product cost corresponds to about $0.12 per 500 mg of N-acetyl glucosamine, based on the labeled amount per serving.
Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. A randomized, investigator-blinded, controlled pilot study to evaluate the safety and efficacy of a poly-N-acetyl glucosamine-derived membrane material in patients with venous leg ulcers.
    Kelechi TJ; Mueller M; Hankin CS; Bronstone A; Samies J; Bonham PA · Journal of the American Academy of Dermatology · 2012
    Randomized trial82 participantsSkin Health forN-Acetyl Glucosamine
  2. Poly-N-acetyl glucosamine nanofibers for negative-pressure wound therapies.
    Fulco I; Erba P; Valeri RC; Vournakis J; Schaefer DJ · Wound repair and regeneration : official publication of the Wound Healing Society [and] the European Tissue Repair Society · 2016
    Randomized trial20 participantsSkin Health forN-Acetyl Glucosamine
  3. Preparation, characterization, and moisturizing effect of liposomes containing glucosamine and N-acetyl glucosamine.
    Malaekeh-Nikouei B; Golmohammadzadeh S; Salmani-Chamanabad S; Mosallaei N; Jamialahmadi K · Journal of cosmetic dermatology · 2014
    Clinical trialSkin Health forN-Acetyl Glucosamine
  4. The effect of N-acetyl-glucosamine on stratum corneum desquamation and water content in human skin.
    Mammone T; Gan D; Fthenakis C; Marenus K · Journal of cosmetic science · 2009
    Clinical trialSkin Health forN-Acetyl Glucosamine
  5. Reduction in the appearance of facial hyperpigmentation by topical N-acetyl glucosamine.
    Bissett DL; Robinson LR; Raleigh PS; Miyamoto K; Hakozaki T; Li J; Kelm GR · Journal of cosmetic dermatology · 2007
    Randomized trial50 participantsSkin Health forN-Acetyl Glucosamine