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Natural Factors

Stress-Relax®, Peaceful ZZZ, 60 Vegetarian Capsules (250 mg per Capsule)

4.6 · 48 reviews
3,119 ₽

Dietary Supplement Supports Deeper Sleep, Mental Well-Being & Cortisol Balance 500 mg Per Serving Melatonin-Free Suitable For Vegetarians/Vegans Ready for some peaceful, deep sleep? Peaceful Zzz features clinically supported melatonin-free Maizinol®. Patented natural sleep aid providing proprietary, standardized natural compounds that bind to melatonin receptors and produce melatonin-like effects for better sleep. Clinically shown to support the restorative stage of sleep. Isura®: Verified Clean: ✔ Non GMO: ✔ The Isura® seal is your assurance that this product is independently verified as clean and safe, and has been tested for over 800 possible contaminants. This product is Isura verified clean, one of the highest testing standards in the world.

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Dietary Supplement Supports Deeper Sleep, Mental Well-Being & Cortisol Balance 500 mg Per Serving Melatonin-Free Suitable For Vegetarians/Vegans Ready for some peaceful, deep sleep? Peaceful Zzz features clinically supported melatonin-free Maizinol®. Patented natural sleep aid providing proprietary, standardized natural compounds that bind to melatonin receptors and produce melatonin-like effects for better sleep. Clinically shown to support the restorative stage of sleep. Isura®: Verified Clean: ✔ Non GMO: ✔ The Isura® seal is your assurance that this product is independently verified as clean and safe, and has been tested for over 800 possible contaminants. This product is Isura verified clean, one of the highest testing standards in the world.

Customer reviews

4.0
verified purchase
Mazinol does work better than melatonin in my research

Very good dosage in this product but it would be nice if they didn’t use some of the fillers there using, can’t find this elsewhere at the dosage so will stick with this product for now, but I would have preferred it to not have so many fillers in the tablet.

1/10/2026
5.0
verified purchase
Improved deep sleep on sleep tracker

These seem to improve your "deep sleep" According to my sleep tracker, I went from 30 mins of deep sleep on average to 1 hour 20 mins of deep sleep on the first night. Also had very vivid dreams. They won't necessarily fix underlying sleep issues but will improve the "quality" of sleep you are getting.

2/24/2026
5.0
verified purchase
For sleep

These capsules are helpful for relaxing and sleeping. They are not melatonin but have the same quality as melatonin.

11/27/2025
5.0
verified purchase
Pretty good

No groggy feeling after use. Did help to have more restful sleep.

8/19/2026
5.0
verified purchase
Very hopeful

Very hopeful that these work, I have high hopes for this product.

4/11/2025
5.0
verified purchase

These pills are good quality. For the dosage, I take two in the evening and I take them along side my melatonin to help me to fall asleep and stay asleep. My husband says they make him too groggy the following days. The size is fine, not too big. I like the sleep benefits so I will order again.

9/14/2026
3.0
verified purchase
No effect for me.

I finished the entire bottle to give this product a fair chance. During this time, I experimented with different dosage levels, taking one, two, and even three capsules at a time. Unfortunately, despite the high quality of the active ingredient blend, I noticed absolutely no benefit in terms of sleep quality or the speed of falling asleep.

7/13/2026
5.0
verified purchase
Puts you to sleep fast, you need to stay asleep!

The quality dosage benefit falling asleep fast. The ingredient was new to me, no taste, regular size. However, I noticed it woke me up too early, unable to go back to sleep,

6/1/2026
5.0
verified purchase
helps with stress relive

Good product, helps with relaxation, this combo works for me very well.

5/25/2025
5.0
verified purchase
Wonderful!

It is difficult for me to take melatonin, it causes me to have nightmares, but this supplement came to solve this issue! it gives me the same effect but without those realistic bad dreams! and the best of all is that it is made from corn leaves! that's just fantastic. I strongly recommend this as a sleep supplement for everyone! Awesome work!

5/22/2025