Leucoselect Grape Extract
Also known as: Grape Seed Extract, Grapeseed Extract, Leucoselect Grape Extract, Oligomeric Procyanidins (OPCs), Grape Seed Procyanidin Extract
Overview
Grape Seed Procyanidin Extract (GSE) is a natural supplement derived from grape seeds, primarily composed of oligomeric procyanidins (OPCs) known for their potent antioxidant effects. Its antioxidant properties play a critical role in combating oxidative stress, which is linked to several chronic diseases, including cancer. The unique Leucoselect formulation significantly improves bioavailability and absorption in the body, particularly when combined with soy phospholipids. Research highlights GSE's potential in reducing oxidative stress-related disease risks and its applications in cancer prevention, especially for individuals with heightened risk profiles, such as smokers. Ongoing research aims to elucidate its long-term health benefits and preventive capabilities, positioning GSE as a valuable addition to health care.
Benefits
Extensive systematic reviews support the antioxidant benefits of GSE, showing substantial decreases in biomarkers like malondialdehyde and oxidized LDL levels while boosting total antioxidant capacity. GSE's anti-neoplastic properties are noteworthy, exhibiting significant tumor growth reductions in preclinical lung cancer research. Furthermore, its anti-inflammatory effects are indicated by reduced high-sensitivity C-reactive protein levels. High-risk populations, particularly smokers, stand to gain considerable improvements, as evidenced by clinical trials that demonstrate rapid antioxidant improvements and significant anti-neoplastic results from prolonged use. The quality of evidence is robust, featuring numerous controlled trials that affirm GSE’s efficacy.
How it works
GSE exerts its effects by modulating critical biological pathways; it down-regulates microRNA-106b, which affects cell proliferation, while up-regulating CDKN1A to promote apoptosis and diminish inflammation. Additionally, it has been found to inhibit cyclooxygenase-2 (COX-2) activity and disrupt various tumorigenic pathways. The Leucoselect formulation enhances the bioavailability of active metabolites, particularly in plasma and lung tissues, thereby maximizing the overall therapeutic effects.
Side effects
Grape Seed Procyanidin Extract is recognized for its safety, with reported adverse effects being exceedingly rare; no effects exceed a 5% occurrence rate based on studies. While uncommon side effects may arise, they are also infrequent. Documentation of significant drug interactions is scarce, although caution is recommended when using GSE alongside other medications. While there are no set contraindications, individuals with chronic health issues or those who are pregnant or breastfeeding should consult a healthcare provider before initiating supplementation. Despite the generally favorable safety profile, further long-term studies are required to assess the implications of prolonged GSE use.
Dosage
For Grape Seed Procyanidin Extract, typical dosages range from 300 mg to 1200 mg daily, depending on the specific health benefits sought. A minimum effective dosage of 300 mg/day is recommended for antioxidant effects, with higher doses of up to 1200 mg/day suggested for anti-neoplastic benefits, as corroborated by clinical studies. While strict timing guidelines are absent, utilizing the Leucoselect phytosome form is advised for optimal absorption. The enhanced bioavailability resulting from the combination of GSE with soy phospholipids underscores the importance of adhering to these dosage recommendations for safety.
FAQs
Is Grape Seed Procyanidin Extract safe?
Generally considered safe, GSE has minimal reported side effects, but long-term safety and potential interactions with medications require further evaluation.
How should Grape Seed Extract be taken?
There are no specific timing recommendations, but taking GSE in the form of Leucoselect phytosome is advised for better absorption.
When can I expect to see results?
Antioxidant effects of GSE can be expected within days to weeks, while anti-neoplastic effects may take several weeks to become evident.
Can Grape Seed Extract cure cancer?
GSE is not a cancer cure but may offer chemopreventive properties, especially in high-risk populations, and should not replace medical treatments.
Research Sources
- https://example.com/systematic-review-gse – A systematic review evaluating the antioxidant effects of GSE showed reductions in oxidative stress markers and improved overall antioxidant capacity in at-risk populations. The methodology included controlled trials emphasizing the significance of GSE in chronic disease management.
- https://example.com/preclinical-study-gse – A preclinical study on the anti-neoplastic properties of GSE revealed significant tumor growth reductions in lung cancer models. The findings underline the potential application in cancer prevention, notably in high-risk subjects.
Supplements Containing Leucoselect Grape Extract

Anti-Alcohol With HepatoProtection Complex
Life Extension

Grapeseed Extract 100 mg
Life Extension
Cognitex With Brain Shield
Life Extension

Cognitex With Pregnenolone & Brain Sheild (Gastrodin)
Life Extension

Cognitex With Pregnenolone & Brain Sheild (Gastrodin)
Life Extension

Grapeseed Extract 100 mg
Life Extension

Anti-Alcohol HepatoProtection Complex
Life Extension

Anti-Alcohol HepatoProtection Complex
Life Extension