UPDATED 05/09/2016

Seredyn Review
Seredyn Review

PUBLISHED: 04/04/2012 by breditor
Editor's Review: 3.7/5.0
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Seredyn is a supplement designed to relieve anxiety, insomnia and panic attacks through a proprietary formula that supports the brain’s natural ability to relax. BioNeurix, the company behind this brain supplement, is a U.S. producer and distributor of several dietary supplements.

Although the manufacturer does not provide scientific proof for the product’s professed benefits, it does make public the results of an informal survey the company has conducted. For the purpose of the study, the website visitors and consumers were asked to answer several questions: 133 Seredyn customers responded and participated in an online questionnaire based survey. According to the company, they were not compensated in any way. The study concluded that 93% of users suffering from occasional anxiety experienced positive results, whereas 85% of respondents with chronic anxiety said the product helps them relax. In case of social anxiety 82% of users reported positive results.

However, these results should be treated with caution and do not substitute the results of a controlled clinical trial. The manufacturer claims the supplement works as fast as after a single dose. This is a rather bold statement for a product based on a mix of amino-acids and plant extracts.

Seredyn Ingredients

Seredyn includes the following ingredients: L-Theanine, Passion flower, Valerian, Niacinamide (200 mg), magnesium taurinate (14 mg), gelatin, rice powder, and magnesium stearate.

Product Features

Seredyn is a proprietary blend consisting of herbal ingredients, vitamins and the amino-acid L-theanine. The plant extracts (Valerian and Passion Flower) are rather common ingredients in products that claim to treat insomnia and anxiety related symptoms. These two herbal extracts are known for their natural sedative and antidepressant properties and are usually found together in products similar to Seredyn.

The formula is completed by L-theanine, an amino-acid with psychoactive properties. It works to reduce stress by increasing the overall level of the brain neurotransmitter GABA. In response, the body will not experience feeling of anxiety, insecurity, panic and depression which are triggered by low levels of GABA.

The main ingredients in the formula are, individually, recognized as safe. FDA actually confirmed L-theanine “generally recognized as safe” and Valerian and Passion flower are also likely safe when taken as recommended and for limited periods of time. Nonetheless, there are potential Seredyn side effects which may include: drowsiness, stomach sensitivity, restlessness, headache, low blood pressure and others.

Valerian is frequently used in formulas that promote sleeplessness solutions, while also proving certain beneficial effects against anxiety and stress (psychological particularly). Passion flower has been credited with anxiolytic benefits (generalized anxiety disorder and others), and effectiveness against ADHD and sleep problems.

Seredyn reviews from consumers are available in large numbers both on the manufacturer’s website and on other websites. While some further recommend Seredyn for anxiety, panic attacks and sleep problems, there are others who report no effects.

The daily recommended dose is one or two capsules. The company has a 60 day return policy, while also offering other promotional benefits (particularly for larger volumes purchased).

Sale Price: $49.49

Free Trial* Available: No

Store: Amazon

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  • The ingredients in the product are individually recognized as safe;
  • The manufacturer provides the results of a company conducted survey, which should however be treated with caution;
  • A 60 day return policy is available for the formula, while promotions such as free shipping for more than 2 products purchased are also available;
  • The formula benefits from a dedicated website, with complete information on benefits, side effects, usage, clinical evidence for effectiveness, etc.


  • The product is not clinically tested or scientifically proven effective, as most dietary supplements;
  • The product contains ingredients common to similar products, thus the formula is not unique;
  • The product is not FDA approved, as most dietary supplements;
  • The product has received mixed reviews from consumers;
  • Potential Seredyn side effects may occur, including some more serious ones.


Seredyn may work if we consider the ingredients included in the formula and their sedative related properties, in some cases even scientifically proven. However, Seredyn reviews are mixed, as is the case for other herbal products. The effectiveness of Seredyn – in what concerns anxiety and other similar conditions – and the extent of its impact is a subjective assessment and varies from one patient to another, so perhaps it is best to first see a healthcare provider before starting treatment.

Still, it should be mentioned that Seredyn may be considered a safe brain supplement, since little to none side-effects have been associated to the main ingredients of the formula.

Boost Mood,Review Box – Show On PageSeredyn Review
Seredyn Reviewbreditor3.752016-05-09 12:09:31
Seredyn Review
4.43 out of 5 based on 7 user ratings
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39 User Reviews about Seredyn
  1. 2

    Ever since I started taking this, my focus has improved significantly. As an accountant, I feel that I’m more efficient throughout the work that I have to do during a regular day. Another big plus is the price – products with similar ingredients seem to be completely out of my budget.

  2. 3

    I get anxious whenever i am faced with something completely new and my job has plenty of challenges. Seredyn is the readily help that helps me cope and make clear headed decisions.

  3. 4

    I’ve suffered from night terrors throughout my whole adult life, and was happy to try a remedy that doesn’t come with all those nasty side-effects. It didn’t fully eliminate the nightmare, but at least they’re rarer now.

  4. 5

    I have a job that takes me all over the world where I have to be rested and on my game. At first the time differences knocked me of balance, but when I started using this product my sleep got better and I wake up feeling more rested.

  5. 6

    Being a guard as a job, i had many mood swings after the graveyard shift, and this has definitely improved after days of treatment, hope that it can help others too.

  6. 7

    I am a pharmacist and I spend a lot of time focusing on safe and effective medication use. I have to advice people every day, therefore I have to be calm and focused all the time. The lack of sleep was seriously started to affect my work, but after taking Seredyn I don’t have to fight with this issue anymore.

  7. 8

    It helped me a lot with my anxiety and sleeping problems. But panic attacks are still bothering me and I think I will follow a therapy program in order to get rid of those.

  8. 9

    Seredyn is expensive and did nothing in my case. I will search for something else, because I can’t afford to buy something at such price with no positive effect.

  9. 10

    I have tried Seredyn, but it is not better than my old treatment, only more expensive. So, I guess I will stick to my old pills. I am not saying that it is not efficient, only that there are cheaper alternatives for me.

  10. 11

    This product cured my daughter. She was suffering from panic attacks and mild anxiety. Our doctor advised us to give her Seredyn and after a few months of treatment we can say that she is a lot better. Thanks!

  11. 12

    Seredyn helped my 12 years old cousin to get rid of her mild depression and anxiety she was fighting lately. She used to be isolated and sad all the time and she used to panic every time someone tried to talk to her. I am so happy that she found a relief for this annoying depression, because now I can have a normal conversation with her and we can spend quality time together as all cousins should.

  12. 13

    Lately, I was suffering from insomnia because I have changed my job and I am on an adjusted schedule now. I have tried Seredyn and it seems a good solution to my problem. Now I can put my life in order and be more rested and focused at my work.

  13. 14

    I took Seredyn for my husband that is suffering from panic attacks. The good thing about this formula is that ingredients in the product are individually recognized as safe. He just started the treatment and I hope this will make him better.

  14. 15

    It has been a very long dime since I had a day off. I need the money in order to keep my house and family and I can’t afford to lose any opportunity. This has made me angry, suspicious and unforgiving. Seredyn is helping me revert to my former self.

  15. 16

    Seredyn is a good supplement for anxiety and panic attacks. It really helped my girlfriend to enjoy life again and concentrate on things that matter in our lives. I am glad she agreed to try this supplement.

  16. 17

    I am usually a calm person, but lately I am feeling overwhelmed at work. I am encountering a rough period and I am trying real hard to stay focused and ignore the injustice that is being done. I have tried Seredyn and it has been a real friend for me. I have the power to move on and to start again at a different job.

  17. 18

    Because of my everyday life worries, I have been unable to get sufficient sleep in the last six months. I have also suffered from increased anxiety and irritability. Seredyn is helping me overcome these symptoms and I am grateful for it.

  18. 19

    It worked for me but I’m not a serious case. I know people that are much worse than me. After I was done with the treatment I recommended them this product and they said it did nothing for them. The more I read and hear about it I think that this is only for mild cases like mine was.

  19. 20

    I’ve been through a lot of dietary changes lately. I wanted to change my life and become a vegan but everyone around me tried to convince me that I’m committing suicide. I got very depressed and I cried a lot. Seredyn helped me get over the sadness and I was able to continue my plan even if my friends don’t support me at all.

  20. 21

    I used to have panic attacks at work almost every single day because of the immense amount of things that had to be done. I tried many remedies with various degrees of success. So far Seredyn is the best for me and I keep taking it.

  21. 22

    The only improvement I was able to observe consistently was the fact that it no longer took me two hours to fall asleep. This by itself is a pretty good outcome, but I was expecting a little more from this product.

  22. 23

    I had a car accident last year and since then I rarely sleep well at night. I wake up sweating and scared and barely get three to four hours of sleep each night. I’ve used Seredyn for a couple of months and I’ve managed to increase my sleep time to about six hours and also I’ve experienced less nightmares than before. I think it works.

    • 25

      Hello Christine,

      A 15 year-old teenager can safely take Seredyn. However, our strong recommendation is to review the drug interactions and possible side effects before taking it. According to the producing company, when taken as directed, Seredyn is safe and poses no short-term or long-term health risks.

  23. 27

    Seredyn is a good supplement for managing mild anxiety. But if you have serious panic attacks you should go to a doctor to recommend you the right medication and specific therapy.

  24. 28

    It kind of gives a strange feeling while using it and it does not provide adequate relief. I think there are many products out there that do a much better job.

  25. 29

    I’ve taken Seredyn for just one week, after that I stopped because it was interfering with my work. I mean I felt so drowsy all the time that I just couldn’t focus on my tasks.

  26. 30

    It’s expensive but worth the money. I have been having anxiety attacks ever since my son was involved in a car accident, but I feel much better since I started using Seredyn.

  27. 32

    I find Seredyn to be just another placebo-effect supplement. My wife is taking this for months already and she didn’t felt any improvements

  28. 33

    Javier "Xavi"

    Seredyn itself is just amazing…but the price is discouraging. Yeah, it’s somehow cheaper than the prescription alternatives…but still. It shouldn’t cost more than $30- $35/bottle.

    • 36

      Maybe you should try some natural alternatives for insomnia (like valerian). Seredyn did wonders for me. I was diagnosed with mild anxiety and this is the only product that actually worked.

  29. 38

    I used to take Xanax…but i find Seredyn much better. No unwanted side effects so far, effective, cheaper and easier to get. 10+

  30. 39

    Seredyn is very good for mild and maybe moderate depression…but not that effective against severe depression. In that cause you would need some more powerful drug.