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Doctor's Best

Calm-Z , 25 mg, 60 Veggie Caps

4.5 · 592 reviews
2,760 ₽

Science-Based Nutrition ™ Stress, Tension, & Focus Support Zembrin® Dietary Supplement Vegan Non-GMO/Gluten Free/Soy Free At Doctor's Best, we are cool, calm, and always on point. Our formula features Zembrin®, a patented, sustainably sourced extract from the Kanna herb (Sceletium tortuosum). Research suggests Zembrin® supports cognitive function, enhances focus, and promotes calm while helping to manage stress. Supports cognitive function & focus Fosters mood balance & eases stress

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Science-Based Nutrition ™ Stress, Tension, & Focus Support Zembrin® Dietary Supplement Vegan Non-GMO/Gluten Free/Soy Free At Doctor's Best, we are cool, calm, and always on point. Our formula features Zembrin®, a patented, sustainably sourced extract from the Kanna herb (Sceletium tortuosum). Research suggests Zembrin® supports cognitive function, enhances focus, and promotes calm while helping to manage stress. Supports cognitive function & focus Fosters mood balance & eases stress

Customer reviews

5.0
verified purchase
Zembrin may be your calming supplement! Try it!

Zembrin is a clinically studied extract of Sceletium tortuosum for safety and efficacy in comprehensive preclinical as well as clinical studies. Zembrin has a dual mechanism of action, that includes phosphodiesterase-4 (PDE4) and serotonin (5-HT) re-uptake inhibition. It has mood-enhancing, anxiety-reducing and cognitive function enhancing activities. You don`t get dizzy or drowsy, the feeling is that of ‘alert serenity’. I am really happy with the feeling after half a capsule! It`s definitely worth a try!

1/5/2021
5.0
verified purchase

I recently tried Calm-Z with Zembrin, and I'm really impressed with how it has helped me manage stress and promote relaxation. The combination of ingredients works well together, and I've noticed a significant reduction in my anxiety levels since I started taking it. The Zembrin really stands out as a natural mood enhancer, helping me feel more balanced throughout the day. The capsules are easy to swallow, and I appreciate that there are no harsh side effects. If you're looking for a natural way to promote calmness and reduce stress, Calm-Z is definitely worth a try!

9/23/2024
5.0
verified purchase
Nature's sertraline

I find the effect of Zembrin to be very similar to prescription antidepressants, without the nasty side effects. I've only taken it for about 2 weeks and my anxiety and overthinking has been way down. Each 25mg capsule contains approximately 0.07 mg mesembrenone and 0.02 mg mesembrine, which are the active alkaloids proven to function like SRI's.

12/4/2023
5.0
verified purchase
very good satisfied

felt really good after using Calm-Z, completely anxiety free. It gave me calm focus without any side effects or heaviness. Overall, very good quality — definitely a 5-star product! 🌟

9/16/2025
5.0
verified purchase
OK

I am very pleased with the benefits of this supplement. Thanks to the nutritional advice, I managed to stabilize my emotional state and I sleep much better. The product has good quality ingredients and is tasteless. Before use, it is worth reading the information on the packaging, I am satisfied and will continue supplementing.

1/20/2025
5.0
verified purchase
Works like a charm

I can't speak to the cognitive effects that supposedly improve focus, but I can say this stuff really relaxes me (and sometimes makes me fall asleep). Great way to end a hard day. I was skeptical, but it really does work for me. It's a small size capsule so easy to swallow, too.

9/25/2024
5.0
verified purchase

Calm-z is one of my newest addition for general anxiety. I read about its active ingredient kanna, which is an type of herb and the only herb type supplement that I have. So far it does give me positive results with no side effects so far, until then I will keep taking it.

8/24/2026
5.0
verified purchase
Surprisingly effective

I've been using Zembrin for several weeks and have been very pleased with the results. I was looking for a natural supplement to help with stress, occasional anxiety, and maintaining a positive mood. I've noticed that I feel calmer and more balanced throughout the day. What I appreciate most is that the effects feel subtle yet consistent. Instead of dramatic ups and downs, I experience a greater sense of emotional resilience and an improved ability to handle everyday pressures. I've also found it easier to focus on tasks and stay productive.

5/26/2026
5.0
verified purchase
Uitstekend!

excellent product,good and strong packaging , the quality matches the description, I will still recommend ordering to everyone!!! okay

4/21/2026
5.0
verified purchase
Less anxiety.

Zembrin has a strong calming effect on the nervous system. For some, it seems to leave an alertness. For me, it can be a little too calming, so is taken in the pm instead. Depending on the person, it may take a few tries to decide the best time. This is a good supplement.

2/7/2026