These three collagen products are popular for their purity, bioavailability, and support for skin elasticity, joint comfort, and healthy aging. Whether you prefer marine-sourced powders, grass-fed peptides, or easy-to-take tablets, here’s how they com
| Feature | California Gold Nutrition CollagenUP® | Vital Proteins Collagen Peptides | NeoCell Collagen Tablets |
|---|---|---|---|
| Form | Powder | Powder | Tablets |
| Source | Marine (fish) | Bovine (grass-fed cows) | Bovine (grass-fed cows) |
| Types of Collagen | Type I & III | Type I & III | Type I & III |
| Key Additives | Vitamin C + Hyaluronic Acid | None (base formula) | Vitamin C + Biotin |
| Flavor | Unflavored | Unflavored | None |
| Best For | Skin hydration, elasticity, joints | Overall wellness & recovery | Hair growth + nail strength |
| Serving Size | ~5g collagen per scoop | ~20g collagen per scoop | 6 tablets = ~6g collagen |
| Allergen Info | Contains fish | Dairy & gluten-free | Dairy & gluten-free |
| Where to Buy | iHerb – CollagenUP® | Amazon or iHerb – Vital Proteins | iHerb – NeoCell Tablets |
1. California Gold Nutrition CollagenUP® (Marine Collagen Powder)
- What it is: A premium marine-sourced collagen powder that combines hydrolyzed collagen, Vitamin C, and Hyaluronic Acid — a trio known to support skin firmness, hydration, and joint health.
- Why it’s great: The marine collagen is highly bioavailable and suitable for pescatarians. Hyaluronic acid helps plump and hydrate the skin, while vitamin C enhances collagen synthesis.
- Ideal for: Skin-focused users, especially those wanting anti-aging and deep hydration from within.
- Buy it at: iherb.com
2. Vital Proteins Collagen Peptides (Unflavored Bovine Powder)
- What it is: A bestselling collagen peptide powder made from grass-fed bovine collagen, delivering Type I & III collagen to support skin, hair, nails, joints, and even gut health.
- Why it’s great: Offers a high daily dose (20g per serving) with no added sugars, flavors, or fillers. Mixes easily into hot or cold drinks like smoothies, coffee, or soups.
- Ideal for: General wellness, post-workout recovery, and anyone seeking a versatile, tasteless powder.
- Buy it at: iherb.com
3. NeoCell Grassfed Collagen Peptides + Vitamin C & Biotin (Tablets)
- What it is: A tablet-form collagen supplement that blends grass-fed collagen peptides, Vitamin C, and Biotin — a key nutrient for hair growth and nail strength.
- Why it’s great: Ideal for those who dislike powders. Each serving (6 tablets) provides 6g of collagen and additional nutrients to boost natural collagen production and maintain youthful skin.
- Ideal for: Beauty-focused users who want convenience and added hair/skin benefits in supplement form.
- Buy it at: iHerb
Why Buy These Collagen Supplements from iHerb?
iHerb is not only an authorized retailer, but they also ship worldwide, offer frequent discounts, and stock fresh inventory. Plus, their customer reviews and product transparency help you buy with confidence.
When you shop iHerb through the Awin affiliate program, you can also earn commissions if you’re a blogger or content creator — making it a smart platform for both wellness consumers and affiliate marketers.
Final Thoughts: Which One Should You Choose?
| Goal | Best Product |
|---|---|
| Skin hydration & anti-aging | California Gold Nutrition CollagenUP® |
| All-around wellness & easy mixing | Vital Proteins Collagen Peptides |
| Hair & nail boost in tablet form | NeoCell Collagen + Biotin Tablets |
No matter which collagen you choose, consistency is key. Take your supplement daily, stay hydrated, and pair it with a balanced diet for the best results.
Disclaimer: This article may contain affiliate links. Product images have been edited and combined by Glow-lyn for informational purposes. All original images are © their respective brands.
GLOW-LYN 
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