product review

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If you are plagued with anxiety, have trouble sleeping or have panic attacks, Seredyn was formulated for you. Seredyn is a natural proprietary blend of Valerian extract, Passion flower and L-theanine. These botanicals have been scientifically demonstrated to have a calming effect on the brain bringing you back to a healthy state without being habit-forming.

This all natural product has the ability to effect areas of the brain that are involved with mood, emotion and relaxation. L-theanine is an amino acid that is easily absorbed in the gut and can pass the blood-brain-barrier where it can be used to increase the activity of GABA. GABA is an inhibitory neurotransmitter responsible for keeping the brain from getting over excited. However, other neurotransmitters can become out of balance such as dopamine and serotonin causing the brain to become over excited. L-theanine comes to the rescue and helps to restore normal brain activity. L-theanine has been demonstrated to generate alpha waves in the brain both clinically and scientifically. Alpha waves bring a sense of calming and well being. If you are familiar with Yoga, you know that the exercises you do there bring about alpha waves. By the way, green tea contains L-theanine.

Valerian extract is another anti-anxiety remedy that has been clinically demonstrated to aid in sleep when you’re so stressed out you can’t sleep. Valerian contains molecules that have the ability to bind to and activate adenosine receptors in the brain. Adenosine is a chemical messenger that is responsible for arousal and reducing over stimulation. This in turn creates a calming effect and helps you sleep. As an aside, caffeine blocks adenosine receptors causing increased brain activity which brings about anxiety. In addition, Valerian also increases the activity of GABA, calming the brain even further. So Valerian packs a double punch.

Passion flower extract also relieves anxiety and it has been demonstrated clinically to work as well as prescription medications. Studies have shown that Passion flower reduces withdrawal symptoms from drugs and alcohol including benzodiazepines. Passion flower contains molecules known as vitexins which apigenin is a member. It is believed that apigenin binds to the benzodiazepine site on the GABA channel allowing for the channel to remain open longer effectively inhibiting the neuron from firing if it has excitatory inputs coming in. This has a calming effect throughout the brain.

Seredyn is all natural and doesn’t require a prescription. It is reported to work in as little as 15 minutes after oral administration and will continue to work for up to 8 hours. It is best taken on an empty stomach for quick effect but can be taken with food.


  • reduce stress and anxiety
  • relieve depression
  • relieve insomnia
  • support brain function and health


1) Proprietary Blend Passion Flower
Valerian root extract.
2) Active Ingredients L-theanine 200 mg
niacinamide 200 mg
magnesium taurinate 14 mg
3) Additives Magnesium stearate
Rice powder

User Opinions

This all natural supplement helps relieve anxiety and create a calm state. That’s not surprising because all 3 botanicals Valerian, Passion flower and L-theanine bring about alpha brain waves essentially calming the whole brain. These botanicals do it without side effects. BioNeurix is known for their high end supplements.

Seredyn calms some consumers, but they say underlying anxiety and panic are still there. Two consumers experienced waking up in the middle of the night stressed while still on Seredyn and yet it made them so sleepy that they don’t even feel like going to work. Most consumers were calm and agitated / tense at the same time. They feel that the mind will continue to race out but the body feels calm. There are consumers who prefer True Calm over Seredyn due to its ability to calm and eliminate anxiety without numbing
This may not work the same way for other people, but the experience of a number of consumers proved to that this is an extremely effective remedy. Consumers reported thatduring panicthey took three capsules of Seredyn. In much less than an hour, tension disappeared. A consumer with Grave’s disease, a form of hyperthyroidism, use this product to calm his body down from jittery feeling.

One consumer decided to do a little research on what’s in this product. He found in this product Valerian Root, Passion Flower and Suntheanine, a patented extract of the amino acid L-Theanine. Valerian Root is for insomnia, but for some people, it wakes you up. If you have no problem with Valerian then this product would be helpful. He looked into Panicyl, which a reviewer mentioned (from the same company) and this product has the ingredients: Ashwagandha, GABA (Gamma-Aminobutyric Acid) and L- Theanine (an amino acid). GABA and L-Theanine are supposed to be relaxing and calming, and Ashwagandha is an “adaptogenic herb which is proposed to increase the body’s resistance to stress, trauma, anxiety and fatigue”. This one seems better for him.


Seredyn is best taken on an empty stomach but can be taken with food. You should feel relief within 15 to 60 minutes depending on whether you take it with or without food.

For chronic anxiety and worry: Take 1 to 2 capsules up to 3 times a day.

For panic attacks or acute anxiety and intense stress: Take 1 to 3 capsules as needed.



Seredyn capsules have a pungent odor associated with them. This is due to the Valerian extract but does not indicate that the capsules are spoiled or defective in any way.

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