Page 1 - Reviews - NaturesPlus, Sustained Release Mega-Stress, 90 Tablets - iHerb
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Customer Ratings & Reviews

100% authenticOur products are sourced directly from brands or authorised distributors.Show more
4.7
Based on 240 ratings
195
23
16
1
5
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What customers say
(16)
 
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English (UK)
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English (UK)
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iHerbCustomer
Silver
Posted on 5/11/2025
Ukraine
154
0
0
31
Verified Purchase
I've been taking magnesium and B-complex vitamins for a month now. I'm able to cope with stress better, my irritability has decreased, and my sleep is better. The effect is subtle, but noticeable.
Auto-translated from Russian
iHerbCustomer
Posted on 29/11/2025
Japan
48
0
0
10
Verified Purchase
I have low blood pressure and cold extremities, so I honestly didn't know if it was effective, but I don't eat meat, so I drank it. I don't think it was much different from when I was eating meat, so maybe it was effective...? The tablets are large and hard to swallow. I swallowed them quickly, so I don't know the taste, but it's not that bothersome. The ingredients in it were also very good.
Auto-translated from Japanese
iHerbCustomer
Posted on 12/11/2025
Kazakhstan
43
0
0
3
Extended-release B-complex - smooth energy without the "hills"
Verified Purchase
An excellent complex from a reliable brand. The slow-release format really works: energy and focus are more even throughout the day, without sudden peaks and troughs. The composition is complete—all the essential B vitamins plus vitamin C in effective doses. The tablets are medium-sized, odorless, and easy to swallow; the 90-tablet bottle is economical. I take it in courses during stressful periods with food in the morning—tolerance is excellent, no nausea. For supporting the nervous system, productivity, and stress recovery, this is just what I need. I recommend it.
Auto-translated from Russian
iHerb Customer
Posted on 28/10/2025
Cyprus
45
0
0
3
Great
Verified Purchase
Good quality with important ingredients. Keep you calm and focused and the vit B12 is the best form. The size of the pill is a little big, but it is ok
Auto-translated from English
iHerb Customer
Posted on 29/09/2025
Italy
20
0
0
1
Dosages need to be reviewed
Verified Purchase
A good brand supplement, but it didn't convince me. I find the dosages unsuitable and unbalanced. I recommend a lower dose of vitamin B6 in favor of a higher dose of B1, B2, and B3.
Auto-translated from Italian
iHerb Customer
Posted on 15/06/2026
Taiwan
3
0
0
0
Verified Purchase
This product, rare on the market, combines B+C+zinc+slow-release formula, effectively maintaining an energizing effect throughout the day. Its high quality makes it highly recommended.
Auto-translated from Chinese, Traditional
iHerbCustomer
Silver
Posted on 5/03/2026
Ukraine
152
0
0
3
Calm and relaxation
Verified Purchase
I was impressed by the excellent composition and high-quality ingredients. This magnesium supplement is one of the few that, in my opinion, actually works. The capsules are conveniently sized, there's enough per package for a full course, and the taste is neutral.
Auto-translated from Russian
iHerb Customer
Gold
Posted on 23/10/2025
Israel
723
10
0
50
Very cool!
Verified Purchase
I buy this for my husband – he takes one in the morning before leaving for work. It lasts all day.
Auto-translated from Russian
Thalia
Posted on 25/09/2025
Cyprus
46
0
0
1
One of the best
Verified Purchase
Big pill however I found it very useful and effective after one month of usage !
Auto-translated from English
iHerb Customer
Posted on 17/06/2026
Germany
1
4
0
0
Neuland Street 4
Verified Purchase
"I'm not touching these, I'm taking them back now."
Auto-translated from German
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