Page 1 - Reviews - Nutricost, P-5-P, 240 Capsules - iHerb

Customer Ratings & Reviews

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4.8
Based on 1,193 ratings
1,029
118
37
9
0
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What customers say
Customers highly recommend Nutricost B6 Pyridoxal-5-Phosphate (P-5-P) for its bioactive form of vitamin B6, which is easily absorbed by the body. Many users appreciate its affordability compared to other brands like Pure Encapsulations and Thorne, while still maintaining high quality and good dosage. The product is praised for supporting estrogen balance, nerve function, immune health, and overall metabolism of other B vitamins such as thiamine and folic acid. Users report benefits in sleep quality when taken with magnesium glycinate and potassium citrate, improved energy levels, reduced stress, and better muscle ache management. The packaging is noted to be secure with intact tablets upon arrival. Some customers use it specifically for lowering prolactin levels or managing thyroid and intestinal issues. Overall, the product's clean formula, potency, reasonable price, and effectiveness make it a popular choice among users.
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iHerbCustomer
Gold
Posted on Dec 29, 2025
Australia
544
0
1
13
Excellent
Verified purchase
⭐⭐⭐⭐⭐ Great quality and exactly as described. The product arrived well packaged and fresh. I noticed good results after regular use, and it feels effective without any side effects. iHerb always delivers reliable products, and this one did not disappoint. Definitely worth the price and I would repurchase again.
iHerb customer
Posted on Feb 27, 2026
Thailand
25
4
0
6
The Best Form of Vitamin B6
Verified purchase
I’ve switched from regular B6 to this P-5-P (Pyridoxal-5-Phosphate) and the difference is night and day. Since this is the active form, my body absorbs it much better without needing conversion. I’ve noticed a significant improvement in my energy levels and cognitive function. If you're looking for a high-quality, bioavailable B6, this is definitely the one to get!
iHerb customer
Posted on Mar 17, 2026
United Arab Emirates
21
0
0
0
yay
Verified purchase
As a seller, I’ve received very positive feedback from customers about this supplement. The capsules are convenient in size and easy to take, and the serving size is practical for daily use. Customers also appreciate that the product has no strong taste and only a light, clean smell, which makes it more comfortable compared to many other supplements on the market. The packaging and overall quality presentation are excellent, and customer satisfaction has been consistently high. A reliable product that customers are happy to reorder.
iHerb customer
Silver
Posted on Nov 3, 2025
United Arab Emirates
185
0
0
9
Excellent
Verified purchase
I’ve been using this product from iHerb for a while now, and I’m really impressed with the quality. The ingredients are clean, natural, and clearly listed, which makes me feel confident about what I’m taking. The package arrived well-sealed and perfectly protected, showing great attention to detail. After using it consistently, I noticed amazing benefits and positive effects on my overall health and energy levels. The taste is pleasant and easy to take, even for someone who’s usually picky about supplements. Overall, I’m very happy with the quality, presentation, and results — I’d definitely recommend this product to anyone looking for something effective and trustworthy.
iHerb customer
Posted on Nov 3, 2025
Philippines
21
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 14, 2025
Philippines
20
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 9, 2025
Philippines
26
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!
SIR
Posted on Oct 4, 2025
Philippines
83
84
3
5
Verified purchase
this NUTRICOST quality ingredient P5P is of the right size/packaging delivering good potency effect. It helps in nervous system metabolism and energy. It's one of the best b6 form together with folic acid and niacin flush free.
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Yumeme
Posted on Apr 24, 2025
France
17
0
0
5
Famille size package
Verified purchase
My mom recommended me this one. P5P plays an important role in various functions in the body such as metabolism at the cellular level, muscle growth and repair, mood and energy regulation, nervous system health.I felt the effect in about a month. No taste to the tablets.
CHAD
Posted on Feb 8, 2026
Armenia
31
0
0
1
Verified purchase
GOOD FOR SKIN WHITENING, GOOD PACKAGE, WORKS OK JUST A BIT OF GUT IRRITATION IF YOU START WITH A HIGH DOSE,