Health Guide

Eriocitrin

Imagine a potent antioxidant, primarily found in the vibrant zest of lemons and tart berries, that acts as a bodyguard for your cells. This is **Eriocitrin**. A specialized flavonoid, it is the pigment responsible for the yellow color in lemon peels. While it might sound like a complex chemical, it is actually a 'phytonutrient'—a compound plants produce to protect themselves, which, when we eat them, offer us incredible protective benefits. It is particularly famous for its ability to combat oxidative stress and inflammation, the two root causes of many chronic health issues.
Evidence BasedDietary Supplement
Eriocitrin
VERIFIED SOURCE

Bio-Activity Analysis

Antioxidant Capacity (ORAC Value)

SCIENTIFIC DATA VISUALIZATION

Y-Axis
Antioxidant Units
Source Type

Health Benefits & Sources

Why You Need It

  • Potent Antioxidant Power: It neutralizes harmful free radicals, protecting your cells from damage.
  • Metabolic Support: Early research suggests it helps improve how your body processes fats and sugars.
  • Liver Health: It may help reduce fat accumulation in the liver and support overall liver function.
  • Anti-Inflammatory: It helps calm systemic inflammation, potentially easing joint discomfort.

Deep Dive

Eriocitrin works primarily by activating your body's natural defense systems. Specifically, it triggers Nrf2, a protein that regulates the production of antioxidant enzymes. Think of it as turning on the factory that produces your body's internal cleanup crew.

Metabolism: In animal studies, Eriocitrin has been shown to regulate lipid metabolism, helping to lower triglyceride levels and prevent weight gain, even on a high-fat diet.

The Lemon Connection: Interestingly, Eriocitrin is often metabolized by your gut bacteria into a compound called Eriodictyol. This metabolite is also highly bioactive and is known for its ability to support vascular health and improve blood flow.

Natural Food Sources

Because Eriocitrin is concentrated in the skins and peels of citrus fruits, you get the most benefit by consuming the whole fruit or using zest. Juicing removes the fiber and most of the flavonoids.

FoodAmount% DV
Lemon Peel45 mgN/A
Tart Cherry15 mgN/A
Orange Juice (with pulp)8 mgN/A
Grapefruit5 mgN/A
Strawberry2 mgN/A

(Note: Daily Value percentages for flavonoids are not standardized by the FDA.)

Supplementation

Since Eriocitrin is not very heat-stable, it is often extracted and put into capsules to preserve potency.

  • Typical Dosage: 50mg to 150mg daily.
  • Best Time: With a meal to enhance absorption, as it is fat-soluble.
  • Who Needs It: Individuals looking for metabolic support, those with high oxidative stress, or people who want the benefits of citrus without the acidity of juicing.

Top Food Sources

Lemon Peel
Best natural source; grate into salads/water
Tart Cherries
Great for juice or dried snacks
Limes
Similar profile to lemons
Orange
Mostly found in the pith and pulp
Grapefruit
Contains moderate amounts

Frequently Asked Questions

While eating the peel provides the highest amount, it can be difficult to digest and may contain wax coatings. Using organic zest in water or taking a standardized supplement is a more practical approach.
No. Vitamin C is an essential vitamin, while Eriocitrin is a flavonoid. However, they often work synergistically in nature. Vitamin C helps regenerate Eriocitrin, extending its antioxidant life in the body.
It is not a magic weight loss pill, but studies suggest it helps regulate fat metabolism and prevents fat accumulation. It should be used alongside a healthy diet and exercise.
Antioxidants build up over time. Consistent daily intake (via food or supplement) is necessary to see metabolic or skin health benefits, usually over several weeks.

Safety & Side Effects

Safety Profile

Eriocitrin is generally considered safe and well-tolerated, as it is a natural dietary component.

Who Should Avoid/Caution:

  • Blood Thinners: Because it can improve circulation and potentially affect blood clotting, consult a doctor if you take Warfarin or similar medications.
  • Citrus Allergies: If you are allergic to lemons or citrus fruits, avoid supplementation.
  • Pregnancy/Breastfeeding: There is insufficient data on high-dose supplementation in these groups; stick to food sources.

Scientific References

  • [1]Eriocitrin (Citrus flavonoid) - NCBI Biochemistry
  • [2]Effects of Eriocitrin on Lipid Metabolism - Journal of Nutritional Biochemistry
  • [3]Hepatoprotective properties of Lemon flavonoids - Food & Chemical Toxicology