Life Extension
Optimized Resveratrol
Other Combinations
1 of 4 actives reach a studied dose, 3 fall short.
Dose 1 of 4 reach a studied dose
How it scores
What's in it, judged
Supplement Facts
Serving Size: 1 Vegetarian Capsule(s)
- Trans-Resveratrol as Japanese Knotweed 250 mg †
- Quercetin as Quercetin Dihydrate 150 mg †
- Red Grape (fruit) and Wild Blueberry (fruit) blend as Anthocyanins, OPCs, Polyphenols 85 mg †
- Fisetin as Wax tree extract 10 mg †
- Trans-Pterostilbene 0.5 mg †
† Daily Value not established
Other ingredients: Vegetable Cellulose, Microcrystalline Cellulose, Vegetable Stearate, Silica, Maltodextrin.
Read the entire label and follow the directions carefully prior to use. DIRECTIONS: Take one (1) capsule daily with or without food, or as recommended by a healthcare practitioner.
Reported interactions
- Interacts with:
- Digoxin ·Tacrolimus ·Carbamazepine ·Antidepressants ·Antipsychotics ·Selexipag ·Diclofenac ·Warfarin
- Side effects:
- Increased bleeding time
From research databases. Not medical advice — talk to your physician.
Does the dose do anything?
-
Trans-Resveratrol
Below the studied range250 mg / day studies used 997-147 mg · 2 studies
You'd need about 4× as much to reach the studied dose.
-
Quercetin
At the studied dose0.15 g / day studies used 0.04-1.5 g · 36 studies
-
Fisetin
Below the studied range10 mg / day studies used 200-800 mg · 13 studies
You'd need about 20× as much to reach the studied dose.
-
Trans-Pterostilbene
Below the studied range0.5 mg / day studies used 90-250 mg · 6 studies
You'd need about 180× as much to reach the studied dose.
Each blend lists its ingredients but not how the total splits between them, so no single active's dose can be checked against the studies. We won't guess.
- Red Grape (fruit) and Wild Blueberry (fruit) blendamount hidden
What it's studied for
- Pain intensityC
Less intense pain
Pain
- Body mass indexA
Body mass index
Weight management
- TriglyceridesC
Lower triglycerides
Glycemic & metabolic
- Body weightA
Body weight
Weight management
- Diastolic blood pressureA
Lower diastolic blood pressure
Cardiovascular
Life Extension
90/100Life Extension's quality posture is strong on testing and transparency, but a 2017 FDA warning letter limits a full trust endorsement.
- ✓ NSF certified
- ✓ Third-party tested
- ✓ Effective dosing
- ✓ Premium ingredients
- ✓ Research-backed
