Compare Supplements

Side-by-side comparison of 2 supplements

Cet6.0

Ceramides (topical)

High safety

Col6.0

Collagen

High safety

Evidence

Evidence Score6/10

Studies: 6

Meta-analyses: 0

Evidence Score6/10

Studies: 51

Meta-analyses: 4

Outcome Grades

Skin hydration & glowC

A-F grade per outcome, combining overall evidence with goal-specific relevance. A = strong evidence; F = insufficient. Hover a badge for details.

Dosage & timing

Dosage:

Topical cosmetic only. Ceramide-containing moisturizers are applied liberally to clean skin once or twice daily (and after bathing, to damp skin, to lock in water). There is no oral, injectable, or systemic dose in this context — it is not ingested. This library does not provide an ingestion protocol.

Best Time:

Any time

Can take on empty stomach

Form:

Ceramide-containing cream or lotion (with cholesterol and fatty acids)

Dosage:

15g

Best Time:

Any time · with food (preferred)

Can take on empty stomach

Form:

Hydrolyzed collagen peptides (powder)

What you'll notice

ℹ️ A barrier moisturizer — not an oral supplementneutral

Throughout

💧 Lower water loss, higher hydrationpositive

1-4 weeks

🛡️ Fewer eczema flares with daily usepositive

Ongoing

✨ Improved Skin Elasticitypositive

8-12 weeks

🦵 Reduced Joint Painpositive

8-12 weeks

💅 Stronger Nailspositive

12 weeks

Safety

High safety

Contraindications:

For topical (skin) use only — not for ingestion
Known allergy or sensitivity to formulation ingredients

Drug Interactions:

Other leave-on actives

Side Effects:

Rare local irritation or breakouts (formulation-dependent)

High safety

Contraindications:

Allergy to source (fish, shellfish, eggs, beef)
Phenylketonuria (some products contain phenylalanine)

Drug Interactions:

No significant interactions known

Side Effects:

Feeling of fullnessDigestive discomfortBad taste (some products)

Works well with

No synergies listed

Vitamin C

enhances

Glucosamine

complementary

Biotin

complementary

How they work together

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