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Advanced Hydrolysed Marine Liquid Collagen Couples Supply (2x 28-Day Supply) vs Marine Collagen Complex with Vitamin C, Hyaluronic Acid, Biotin

Advanced Hydrolysed Marine Liquid Collagen Couples Supply (2x 28-Day Supply) vs Marine Collagen Complex with Vitamin C, Hyaluronic Acid, Biotin

Side-by-side comparison of scores, ingredients, prices and real customer feedback for Advanced Hydrolysed Marine Liquid Collagen Couples Supply (2x 28-Day Supply) and Marine Collagen Complex with Vitamin C, Hyaluronic Acid, Biotin.

Last verified: 07 Apr 2026 · Based on 28 reviews

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Quick Answer

Advanced Hydrolysed Marine Liquid Collagen Couples Supply (2x 28-Day Supply) scores 82/100 vs Marine Collagen Complex with Vitamin C, Hyaluronic Acid, Biotin at 70.0/100. Advanced Hydrolysed Marine Liquid Collagen Couples Supply (2x 28-Day Supply) wins on effectiveness, ingredient quality, certifications. Marine Collagen Complex with Vitamin C, Hyaluronic Acid, Biotin is stronger on value for money and side effects.

Which is better: Advanced Hydrolysed Marine ... or Marine Collagen Complex wit...?

Known Nutrition's Advanced Hydrolysed Marine Liquid Collagen wins on effectiveness (82/100 vs 70/100) with a clinical 5000mg dose versus Shivay Herbals' 1000mg. Shivay Herbals is the budget choice at £9.99 — one-sixth the price — and suits anyone who dislikes collagen taste or struggles with large capsules.

— AIScored Editorial Team

How Do the Scores Compare?

Advanced Hydrolysed Marine ...

Marine Collagen Complex wit...

	Advanced Hydrolysed Marine ... Known Nutrition	Marine Collagen Complex wit... Shivay Herbals
Overall Score	82	70.0
Effectiveness	83.0/100 Best	65.0/100
Ingredient Quality	83.0/100 Best	70.0/100
Value for Money	69.0/100	91.0/100 Best
Side Effects	91.0/100	93.0/100 Best
Certifications	100/100 Best	38.0/100
Best Price	£64.99 Known Nutrition →	£9.99 Amazon UK → Cheapest
Form	liquid	‎Capsule
Dose	None	None
Third-Party Tested	✓ Yes	✗ No
Reviews Analysed	16	12

Advanced Hydrolysed Marine Liqui...

Pros

✓5000mg hydrolysed marine collagen at a clinically relevant dose, with liposomal delivery claimed to enhance absorption
✓Strong positive feedback on skin plumpness, fine line reduction, and hydration — multiple reviewers report results within 4 weeks
✓Hair thinning and dullness improvements noted, particularly by perimenopausal users
✓Synergistic formula: Vitamin C (cofactor for collagen synthesis), pine bark extract (antioxidant), bilberry, Vitamin E, and A

Cons

✗Redesigned sachet format widely criticised: leaking, difficult to fully empty, and inconvenient — drove two 1-star reviews from previously loyal customers
✗Price has increased while some reviewers feel pack size has decreased, reducing perceived value
✗One reviewer found the taste artificial; subjective but relevant given the liquid format
✗Short-term users (under 1 week) report no results yet, which is expected but may disappoint those seeking rapid outcomes

Best For

Women over 40 or in perimenopause seeking skin and hair support Those who struggle to swallow capsules and prefer a liquid format Couples or household members sharing a monthly supply Consumers prioritising certified, UK-manufactured supplements Anyone wanting a collagen product with supporting antioxidant co-factors built in

Known Nutrition £64.99

View full review →

Marine Collagen Complex with Vit...

Pros

✓Exceptional value — approximately £9.99 for a 60-day supply works out to around £5 per month, significantly cheaper than collagen liquids and powders
✓No taste or aftertaste reported across all reviewers, making daily compliance straightforward for those sensitive to collagen flavour or odour
✓Well-rounded formula: hydrolysed Type I marine collagen combined with Vitamin C (EFSA-approved collagen-formation claim), Hyaluronic Acid, and Biotin
✓Made in the UK under GMP standards, free from GMOs and artificial colours — reassurance of basic quality control

Cons

✗1,000mg daily dose is at the low end of the therapeutic range — clinical research on skin and joint outcomes typically uses 2.5–10g per day; powder alternatives commonly deliver 5–10g per serving
✗Capsules described as notably large by multiple reviewers — may be a challenge for those with swallowing difficulties
✗No independent third-party testing (e.g. Informed Sport, NSF, Labdoor) — quality assurance relies solely on the manufacturer's own GMP declaration
✗Not suitable for vegetarians, vegans, or those with fish allergies — contains fish-derived collagen

Best For

Budget-conscious shoppers seeking an affordable daily collagen habit People who dislike the taste, smell, or texture of collagen powders and liquids Women over 30 noticing early signs of collagen decline — fine lines, brittle nails, hair thinning Collagen beginners wanting a low-cost, low-commitment entry point before investing in higher-dose formats UK consumers who prefer domestically manufactured supplements with clear ingredient labelling

Amazon UK £9.99

View full review →

What does the data say about Advanced Hydrolysed Ma... vs Marine Collagen Comple...?

Advanced Hydrolysed Marine Liquid Collagen Couples Supply delivers 5000mg hydrolysed marine collagen per serving in liquid form with claimed liposomal delivery. Marine Collagen Complex with Vitamin C, Hyaluronic Acid, Biotin packs 1000mg hydrolysed Type I marine collagen into capsules plus Vitamin C, Hyaluronic Acid and Biotin. The liquid version scores 82/100 overall and 83/100 on effectiveness while the capsule one hits 70/100 overall and 65/100 on effectiveness. Ingredient quality follows the same pattern at 83/100 versus 70/100. Value flips the script with the capsules winning at 91/100 against 69/100 for the liquid.

People who prefer liquids and want higher doses should grab the Advanced Hydrolysed Marine Liquid Collagen Couples Supply at £64.99 especially if they seek skin plumpness and fine line reduction within four weeks or notice hair thinning improvements. Those on tight budgets who hate any taste or smell and just need an easy daily habit will find the Marine Collagen Complex with Vitamin C, Hyaluronic Acid, Biotin at £9.99 for 60 days far more practical. Capsule swallowers avoid the hassle of sachets while liquid fans dodge large pills.

Practical issues matter too. The liquid sachets often leak and prove tricky to empty completely which annoyed several users enough for one-star reviews. Capsules carry no taste or aftertaste yet some reviewers call them notably large and hard to swallow. The liquid format suits anyone who struggles with pills. Both products target skin hair and nails support but differ sharply in daily experience and cost.

Advanced Hydrolysed Marine Liquid Collagen Couples Supply (2x 28-Day Supply) Winner 82/100

Known Nutrition's Advanced Marine Liquid Collagen delivers 5000mg of hydrolysed marine collagen per 15ml sachet, enhanced with liposomal technology, Vitamin C, pine bark extract, and bilberry.

Effectiveness

Advanced Hydroly..

83.0/100

Marine Collagen ..

65.0/100

Ingredient Quality

Advanced Hydroly..

83.0/100

Marine Collagen ..

70.0/100

Value for Money

Advanced Hydroly..

69.0/100

Marine Collagen ..

91.0/100

Side Effects

Advanced Hydroly..

91.0/100

Marine Collagen ..

93.0/100

Certifications

Advanced Hydroly..

100/100

Marine Collagen ..

38.0/100

What are the key differences?

Advanced Hydrolysed Mar.. is best for: Women over 40 or in perimenopause seeking skin and hair support, Those who struggle to swallow capsules and prefer a liquid format

Marine Collagen Complex.. is best for: Budget-conscious shoppers seeking an affordable daily collagen habit, People who dislike the taste, smell, or texture of collagen powders and liquids

Frequently Asked Questions

Which is better, Advanced Hydrolysed Marine Liquid Collagen Couples Supply (2x 28-Day Supply) or Marine Collagen Complex with Vitamin C, Hyaluronic Acid, Biotin? ▼

Advanced Hydrolysed Marine Liquid Collagen Couples Supply (2x 28-Day Supply) scores 82/100 overall while Marine Collagen Complex with Vitamin C, Hyaluronic Acid, Biotin scores 70.0/100. Advanced Hydrolysed Marine Liquid Collagen Couples Supply (2x 28-Day Supply) comes out ahead, scoring higher on effectiveness (83.0 vs 65.0). Advanced Hydrolysed Marine Liq is best suited for Women over 40 or in perimenopause seeking skin and hair support and Those who struggle to swallow capsules and prefer a liquid format. Marine Collagen Complex with V is better for Budget-conscious shoppers seeking an affordable daily collagen habit and People who dislike the taste, smell, or texture of collagen powders and liquids.

Is Advanced Hydrolysed Marine Liquid Collagen Couples Supply (2x 28-Day Supply) worth the price compared to Marine Collagen Complex with Vitamin C, Hyaluronic Acid, Biotin? ▼

Advanced Hydrolysed Marine Liquid Collagen Couples Supply (2x 28-Day Supply) costs £64.99 while Marine Collagen Complex with Vitamin C, Hyaluronic Acid, Biotin is £9.99. For value, Advanced Hydrolysed Marine Liquid Collagen Couples Supply (2x 28-Day Supply) scores 69.0/100 vs Marine Collagen Complex with Vitamin C, Hyaluronic Acid, Biotin's 91.0/100. Marine Collagen Complex with Vitamin C, Hyaluronic Acid, Biotin delivers better value relative to its quality. Note that Advanced Hydrolysed comes as liquid while Marine Collagen Comp is ‎capsule, which may affect your preference.

Which has fewer side effects? ▼

Advanced Hydrolysed Marine Liquid Collagen Couples Supply (2x 28-Day Supply) scores 91.0/100 for side effects (higher means fewer reported issues) while Marine Collagen Complex with Vitamin C, Hyaluronic Acid, Biotin scores 93.0/100. Reviewers report fewer side effects with Marine Collagen Complex with Vitamin C, Hyaluronic Acid, Biotin. For certification and testing, Advanced Hydrolysed scores 100/100 vs Marine Collagen Comp's 38.0/100. Always consult a healthcare professional before starting any supplement.