Home Ingredients Vinitrox™ (Grape and Apple Polyphenols — Nexira)
Athletic PerformanceCardiovascular

Vinitrox™ (Grape and Apple Polyphenols — Nexira)

Evidence Level
Limited
0 Clinical Trials
3 Documented Benefits
2/5 Evidence Score

Vinitrox™ is a branded blend of grape and apple polyphenols from Nexira, marketed to support nitric oxide production, blood flow, and physical performance. Polyphenols from grape and apple are recognized for vascular and antioxidant effects, though independent clinical evidence specific to this branded blend is limited and mostly held by the manufacturer.

Studied Dose Around 500 mg per day, often taken before exercise.
Active Compound A proprietary blend of polyphenols (including flavanols and procyanidins) from grape and apple.

Benefits

Nitric oxide and blood flow

Grape and apple polyphenols are studied for supporting endothelial nitric oxide and healthy blood flow, the basis for the blend's circulation and pump claims.

Exercise performance support

The manufacturer positions the blend for endurance and physical performance through improved blood flow, though independent trials on the specific blend are limited.

Antioxidant polyphenols

The flavanols and procyanidins it provides act as antioxidants that help counter exercise-related oxidative stress.

Mechanism of action

1

Endothelial nitric oxide support

Polyphenols such as those in grape and apple can promote nitric oxide synthase activity in blood vessel linings, supporting vasodilation and blood flow.

2

Antioxidant activity

Procyanidins and flavanols scavenge free radicals, which may protect vascular function during physical stress.

Clinical trials

Side effects and drug interactions

Common Potential side effects

GENERALLY WELL-TOLERATED — dietary polyphenols are well tolerated.
Mild digestive upset is possible at higher intakes.
Independent human safety data on the specific blend are limited.

Important Drug interactions

Blood thinners — polyphenols may have a mild additive effect; monitor.
Blood pressure medication — possible additive vasodilation; use caution.
Tell your doctor about supplements if you take cardiovascular medication.

More Athletic Performance Ingredients

Energy
Caffeine
Caffeine, a natural stimulant found in coffee, tea, and other plants, is commonly suppleme…
Muscle & Recovery
Whey Concentrate
Whey Protein Concentrate (WPC) is a high-quality protein supplement derived from milk duri…
Energy
Iron
Iron is an essential trace mineral and a central component of hemoglobin, enabling red blo…
Cardiovascular
Potassium
Potassium is the most abundant intracellular cation in the human body and an essential min…

Explore Other Ingredients

Cognitive
Rhodiola Rosea
Rhodiola rosea is an adaptogenic herb from arctic and mountainous regions of Europe and As…
Athletic Performance
L-Citrulline
L-Citrulline is a naturally occurring amino acid that supports nitric oxide production, he…
Cognitive
Holy Basil (Tulsi)
Holy basil (Tulsi) is a sacred plant in Ayurvedic medicine and one of the most revered ada…

Frequently asked questions about Vinitrox™ (Grape and Apple Polyphenols — Nexira)

What is Vinitrox™ (Grape and Apple Polyphenols — Nexira)?

Vinitrox™ is a branded blend of grape and apple polyphenols from Nexira, marketed to support nitric oxide production, blood flow, and physical performance.

What is the recommended dosage of Vinitrox™ (Grape and Apple Polyphenols — Nexira)?

The clinically studied dose for Vinitrox™ (Grape and Apple Polyphenols — Nexira) is Around 500 mg per day, often taken before exercise.. Always follow product labeling and consult a healthcare provider for personalized dosing recommendations.

What is Vinitrox™ (Grape and Apple Polyphenols — Nexira) used for?

Vinitrox™ (Grape and Apple Polyphenols — Nexira) is studied for nitric oxide and blood flow, exercise performance support, antioxidant polyphenols. Grape and apple polyphenols are studied for supporting endothelial nitric oxide and healthy blood flow, the basis for the blend's circulation and pump claims.

Are there side effects from taking Vinitrox™ (Grape and Apple Polyphenols — Nexira)?

Reported potential side effects may include: GENERALLY WELL-TOLERATED — dietary polyphenols are well tolerated. Mild digestive upset is possible at higher intakes. Always consult a healthcare provider before starting any new supplement, especially if you have underlying conditions or take medications.

Is Vinitrox™ (Grape and Apple Polyphenols — Nexira) safe to take?

Whether Vinitrox™ (Grape and Apple Polyphenols — Nexira) is safe depends on the dose, your overall health, and any medications you take. At studied doses, reported side effects can include: GENERALLY WELL-TOLERATED — dietary polyphenols are well tolerated. It may also interact with certain medications. Vinitrox™ (Grape and Apple Polyphenols — Nexira) is not suitable for everyone — consult a healthcare provider before use if you are pregnant or breastfeeding, have a medical condition, or take prescription medications.