Lecithin

Definition

Lecithin is a fatty substance found in many foods and is used as an emulsifier in processed foods and supplements.

Scientific / Technical Definition

Lecithin is a group of yellow-brownish fatty substances occurring in animal and plant tissues, which are amphiphilic, meaning they attract both water and fatty substances. It is composed largely of phospholipids, which are critical in maintaining the integrity of cell membranes.

Benefits

• Supports cell membrane health
• May improve heart health
• Can aid in digestion
• Helps manage cholesterol levels
• Potential to improve liver function

Examples

• Soybeans
• Egg yolks
• Sunflower seeds
• Liver
• Peanuts

Additional Information

• Side effects: Potential side effects include gastrointestinal issues when consumed in high quantities, such as diarrhea or stomach pain.

Related Terms

• Phospholipids
• Emulsifier
• Choline
• Triglycerides
• Hydrophilic

References

• Health Benefits and Potential Risks of Lecithin
• Role of Lecithin in Human Nutrition