For skin hydration and elasticity, this delivers 5g of **Hydrolyzed Marine Collagen Peptides** per scoop — the minimum effective dose from skin-focused clinical trials. Marine collagen (primarily Type I) is the form most relevant to skin, and hydrolyzed peptides are broken down for better absorption. At one scoop daily, you're at the clinical floor; two scoops would put you at 10g, firmly in the proven range.

**Hyaluronic Acid** at 60 mg (as sodium hyaluronate) gives you a moderate dose — clinical studies typically use 120–240 mg for skin hydration, so you're getting about half of what research supports. **Vitamin C** at 90 mg supports your body's own collagen synthesis, which makes it a functionally important addition even at this modest dose.

With 200 servings per container and no other ingredients listed, this is a stripped-down collagen product that keeps things focused. The main gap is the HA dose — if skin hydration is your primary goal, you may want to supplement the hyaluronic acid separately to reach clinical levels.

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California Gold Nutrition

California Gold Nutrition, CollagenUP, Hydrolyzed Marine Collagen Peptides with Hyaluronic Acid and Vitamin C, Unflavored, 2.2 lb (1 kg)

Powder · 1 scoop (5 g) · 200 servings · $0.19/serving

iHerbAmazon

Best for

SkinBone & Joint

Ingredients (3)

Vitamin C

100%

Dose

90 mg

Target

40–200 mg

Form

Standard

Hydrolyzed Marine Collagen Peptides

100%

Dose

5 g

Target

5–20 g

Form

Premium

Hyaluronic Acid

100%

Dose

60 mg

Target

50–200 mg

Form

Standard

Nutrition

Calories, macros & sodium.

  • Calories20 kcal
  • Sodium20 mg
  • Protein4 g

Other Ingredients

No other ingredients listed

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.

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