Meta Information

ID:ceramides

Name:Ceramides

Schema Version:1.5

Alternate Names

• Phytoceramides

Intervention Type

therapeutic_agent

Expected Cost Mean

Low Cost:

20

High Cost:

50

Cost Type:

monthly

Description:

Cost for a 30-day supply of oral phytoceramide supplements.

Summary

Ceramides are lipid molecules essential for maintaining the skin's barrier function and are involved in cellular signaling. While topical application is proven to improve skin health and hydration, high levels of circulating ceramides in the blood are strongly associated with insulin resistance, atherosclerosis, and overall cardiometabolic risk. Therefore, from a systemic longevity perspective, ceramides are often viewed as a biomarker to lower through lifestyle, rather than a substance to supplement orally.

Purpose

Lipid molecules for skin barrier health and cellular signaling.

Card Summary

Essential for skin barrier topically; high systemic levels are a major biomarker for metabolic disease.

Drug Class

Drugs In Class

Empty Array

Impact

Score:

2.8

Justification:

High circulating levels are a risk marker; oral supplementation's systemic benefit is unproven.

Evidence

Grade:

B

Score:

6.5

Justification:

Strong evidence for topical use; strong observational data linking high levels to disease.

Safety

Score:

2.5

Justification:

Generally Recognized As Safe (GRAS) as a supplement and topical agent.

Flags

• High circulating ceramide levels are strongly linked to increased cardiometabolic disease risk.
• The goal for systemic health is often to lower ceramides via diet/exercise, not supplement them.
• Topical application for skin barrier health is distinct from systemic effects of oral supplementation.

Verdict

Excellent topically for skin; avoid oral supplementation for systemic longevity.

Created

2026-04-26T18:25:53.838157Z

Model

Gemini 3.1 Pro (High)

Delivery

Route:

oral

Scope:

• systemic

Is Skin Health

True

Indication

Focus:

healthspan

Description:

Ceramides are lipid molecules essential for maintaining the skin's barrier function and are involved in cellular signaling. While topical application is proven to improve skin health and hydration, hi...

Typical Protocol

• Oral phytoceramide supplements are typically taken at 350-700 mg per day.
• Topical ceramide-containing products are typically applied 1-2 times daily to the skin.