Page 1 - Reviews - Nutricost, Pterostilbene, 100 mg, 120 Capsules - iHerb
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Customer Ratings & Reviews

100% authenticOur products are sourced directly from brands or authorized distributors.Show more
4.8
Based on 890 ratings
744
112
24
5
5
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What customers say
Customers generally express satisfaction with Nutricost Pterostilbene, highlighting its quality and effectiveness. Many users report increased energy levels, improved focus, and overall wellness after incorporating it into their daily routines. The product is praised for its clean formula, vegan-friendly composition, and absence of unnecessary fillers. The capsule size is convenient and easy to swallow, with clear dosage instructions that facilitate daily use. Some customers appreciate the pleasant taste and long-lasting packaging. While a few users have not yet noticed significant effects, they remain optimistic about potential long-term benefits due to the product's high-quality ingredients and trusted brand reputation. Overall, Nutricost Pterostilbene is valued for its potent antioxidant properties, supporting brain health, cardiovascular function, and offering better bioavailability compared to similar compounds like resveratrol.
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Customer reviews (854)
Product reviews solely reflect the views and opinions expressed by the contributors and not those of iHerb. iHerb does not verify or endorse any claims made in these reviews. Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.
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Reviews from United States
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English
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iHerb customer
Gold
Posted on Sep 28, 2025
United States
928
0
0
545
great
Verified purchase
good supplement. I really liked the effect, I feel the benefits. The ingredients in the composition are in good shape. I was pleased with the quality of the additive, and I also liked the packaging from this manufacturer. The taste and smell are neutral. I am very pleased. I advise all my friends to try this great service and try this prestostilbenw
iHerb customer
Posted on May 27, 2025
United States
52
0
0
3
Nutricost Pterostilbene 100 mg, 120 Capsules
Verified purchase
I’ve been incorporating Nutricost Pterostilbene into my daily supplement routine for several weeks now, and I’m genuinely impressed with its quality and effectiveness. What I Like About This Product: • High Potency Formula: Each serving provides 100 mg of pterostilbene, delivered in one capsule. This potent dose supports antioxidant defenses and overall well-being. • Supports Antioxidant Protection: Pterostilbene is a naturally occurring compound produced by the body, playing an active role at a cellular level. Supplementing with this product has helped me experience enhanced antioxidant protection. • Clean Ingredients: The formulation includes pterostilbene, rice flour, hypromellose (cellulose) capsule, microcrystalline cellulose, magnesium stearate (vegetable source), and silica, ensuring a clean supplement experience without unnecessary additives. • Vegan-Friendly: This product is vegan, gluten-free, and non-GMO, making it suitable for various dietary preferences. Usage and Experience: I take one capsule daily with a meal, as recommended. The capsules are easy to swallow and do not cause any digestive discomfort. Since starting this supplement, I’ve noticed improved antioxidant protection and a general sense of well-being. Final Thoughts: If you’re seeking a high-quality pterostilbene supplement to support your antioxidant defenses and overall health, Nutricost Pterostilbene is a reliable and effective choice. Its clean formulation, high potency, and the backing of a trusted brand make it a standout product in the market.
supplement-geek
Silver
Posted on Oct 5, 2025
Israel
122
0
0
19
Powerful Antioxidant Great for Focus, Energy, and Longevity
Verified purchase
I’ve been taking Nutricost’s Pterostilbene for about a month and I’m very impressed with the quality. Pterostilbene is a natural compound similar to resveratrol but more bioavailable and longer-lasting in the body. It supports cellular health, antioxidant defense, and healthy aging. Since starting it, I’ve noticed clearer focus, steadier energy, and overall better mental sharpness. The capsules are small, easy to swallow, and have no taste or side effects. I like that each capsule contains a full 100 mg dose perfect for stacking with NAD+ boosters or other longevity supplements. It’s also great for cardiovascular support and oxidative stress protection. The bottle arrived quickly from iHerb, sealed and fresh. Nutricost delivers solid value here clean ingredients, no fillers, and a large 120-capsule supply. Definitely worth trying if you’re building a well-rounded anti-aging or brain-health stack.
BaronVonFluffenstuff
Posted on Jul 23, 2025
United Kingdom (UK)
25
0
12
36
Good value and high dose!
Verified purchase
This is a good option if you want a 100mg dosage, will last for 4 months to ends up being a very good value compared to other options. Pterostilbene may improve cognitive function, lipid metabolism, and glucose regulation and has potential anti-aging effects via SIRT1 activation (similar to resveratrol). It also may support cardiovascular health by reducing LDL oxidation.
iHerb customer
Posted on Jan 14, 2026
New Zealand
69
0
2
98
Good Mental Boost - helps dopamine balance up in the Hippocampus in the Brain
Verified purchase
I use ONLY 10mg, taken with Trans-Resveratrol 50mg. Both reduces ROS. But I don't use it on exercise days because I want a little oxidation for potential muscle growth on training nights. Taken with 1 tsp coconut fat in the EVENING 30mins AFTER taking 500mg Agmatine sulfate in water ON AN EMPTY STOMACH 1 HOUR AFTER DINNER.. Honokiol 200mg at the same time for sleep.
iHerb customer
Posted on Nov 20, 2025
United Kingdom (UK)
5
3
0
4
Nutricost Pterostilbene 100mg,120 capsules
Verified purchase
Nutricost Pterostilbene 100mg is a premium antioxidant,from a well known, trusted brand,that is using quality ingredients at a good price. Pterostilbene is more bioavailable than resveratrol and I can feel the difference in my mental clarity and overall energy throughout the day. Pterostilbene is improving insulin sensitivity by regulating glucose metabolism, activates AMPK pathway and reduces oxidative stress.
iHerbCustomer
Posted on Oct 27, 2025
France
98
0
4
8
Part of anti-aging stack
Verified purchase
I take an extensive stack morning and night. This is more effective in research than others I take in the am, long with, for anti aging good benefit o supplement as You age Quality and price good 500mg Nicotanimide 500mg Nmn sublingual 150mg Nmnh 25mcg D3 45mgc K I take morning along with
iHerb customer
Posted on Oct 14, 2025
Philippines
29
0
0
0
Verified purchase
This is one of the best vitamin C supplements I've tried! The absorption is noticeably better thanks to the liposomal form, and it's very gentle on the stomach—no discomfort or acidity at all. I felt a clear boost in my immunity after just a few days of use. The antioxidant benefits are real, and I love that it's high quality with clean ingredients. The taste is surprisingly pleasant, and the individual packets are super convenient for travel. Great mg dosage and well thought-out package size. Highly recommend!|
iHerb customer
Posted on Oct 11, 2025
Philippines
22
0
0
3
Verified purchase
This is one of the best vitamin C supplements I've tried! The absorption is noticeably better thanks to the liposomal form, and it's very gentle on the stomach—no discomfort or acidity at all. I felt a clear boost in my immunity after just a few days of use. The antioxidant benefits are real, and I love that it's high quality with clean ingredients. The taste is surprisingly pleasant, and the individual packets are super convenient for travel. Great mg dosage and well thought-out package size. Highly recommend!
iHerb customer
Posted on Oct 2, 2025
Norway
93
2
0
18
Energy boost
Verified purchase
Quality is high — capsules are well‑made, clearly labeled, and contain pure pterostilbene with minimal fillers. Benefit after a few weeks includes improved mental clarity, subtle energy boost, and enhanced antioxidant support. Ingredients are straightforward: pterostilbene, capsule shell, and minimal additives. Capsule size is moderate, easy to handle. Taste is neutral and not noticeable.