Sleep Aid Buyer’s Guide (updated May 2024)

Approved Science Sleepsyl Review



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Customer Rating
Overall Rating 
Our research has shown that this manufacturer has created a product born from science and clinical data. We found that this was the only product to contain the exact ingredients which have been clinically proven to provide a total-care solution to address the triggers that can hinder good sleep while providing optimal relaxing benefit to restore healthy sleep patterns. Dosage is based on clinical studies which suggests that these guys are serious about what they do. We liked that it’s served in a vegan-friendly capsule as well as offers a 60-day money back guarantee if you are not happy with the results. What have you got to lose? Nothing! Except for sleeplessness! 

Why do we recommend Approved Science Sleepsyl?

Main Benefits:

  • It contains clinically-proven L-ornithine to relieve stress and improve sleep quality.
  • It contains a combination of Valerian and Hops Flower to initiate sleep efficiency and increase sleep time. 
  • It contains a hefty dose of 6mg of Melatonin for regulating sleep patterns and promoting restful sleep.
  • It does not contain any preservatives, artificial colorings, hormones, or unnecessary ingredients that may dilute the efficacy of the product.
  • We found so many supportive consumer reviews from users who had experienced excellent results.
  • Its daily suggested serving is the optimal potency as recommended by doctors for effectiveness and is supported by extensive clinical research trials and studies.
  • This manufacturer’s customer service is second to none, it provides excellent support and help. Furthermore, it offers an excellent money-back guarantee if customers are not happy with their results.

This unique formula was the only one that we could find that was backed by solid clinical data and included this specific blend of ingredients in their potent doses.   


Struggling to fall asleep and stay in a deep sleep is a problem that afflicts the majority of Americans, at least once a week. A consistent lack of sleep can be debilitating as it may be impossible to function in your day-to-day life. The good news is that there are clinically-proven ingredients to target the various causes of sleeplessness. There are several key studies that help pinpoint the way when it comes to finding the most effective sleep aid.

First and foremost, sleep aids must provide a multifaceted solution for overcoming sleeplessness, a quality supplement should be made using pure and natural ingredients that address the challenging symptoms, as well as the root cause. Using anything less will compromise the results you experience and relief may only be temporary.

Secondly, the inclusion of L-ornithine seems an obvious choice since it is a crucial ingredient to relieve stress and improve sleep quality.

Thirdly, a combination of Valerian and Hops Flower has been shown to initiate sleep efficiently and increase sleep duration.

Fourthly, stress and anxiety can exacerbate sleeplessness, so ingredients such as Lemon Balm, Chamomile and Passion Flower are essential to help induce a calming feeling.  This helps reduce anxiety, restlessness and stress. 

Additionally, the amino acid L-taurine reduces cortisol levels as well as increases GABA production to help the body switch off for a proper night’s sleep.

Finally, a high dose of 6 mg of Melatonin is effective for regulating sleep patterns and promoting restful sleep. 

Many companies who enjoy a positive reputation, take advantage of their good standing with the public in order to sell cheap health supplements. It’s so distressing how easy it is, which is why it is incumbent on every consumer to do their own fact-finding on any health product they purchase.

Approved Science Sleepsyl contains researched ingredients that address the root causes of sleeplessness, such as stress and anxiety, as well as induce and promote restful and restorative sleep.  What we really like is that it is made by a company that consistently uses clinical studies as a benchmark for the dosage of all their health supplements. There is also a money-back guarantee which can be claimed by speaking to their customer service agents who are real people, not just bots!

Additionally, you will not find any ingredients in Approved Science Sleepsyl which shouldn’t be there. There are no added fillers, binders, additives or preservatives. There are so many products out there that do not fall within the realm of high standards, offering artificial alternatives and all sorts of extras inside their formulas. It is a relief to be able to recommend a company that manufactures such a unique, well-researched product.

To summarize, Approved Science Sleepsyl uses top-quality natural ingredients, provides awesome results, has a caring customer support team and a great price. From what we saw, without a doubt, this is an extremely good product.

Quality Assurance

Over the last few years, we understand how consumers have grown skeptical of nutritional and health supplements. This simply comes down to shady companies providing useless formulas that contain unrelated and useless ingredients or that add fillers or binders to their products. Often, these ingredients are not pure, or have been tested for quality and have no scientific validity as to why they have been included in the formulas. Not only is this irresponsible, but often quite dangerous. Truth being, there is absolutely no reason why anything artificial should be added. Natural and pure is best.

On many nutritional supplements, the label states that the ingredients are either ‘active’ or ‘inactive’. In simple terms, the active ingredients are the reason you decide to purchase the product and the ones that actually bring you the results you are hoping for. When you see a long list of inactive ingredients, beware, often companies will fill their products with unhelpful and potentially dangerous junk.

That is why, for us, Approved Science Sleepsyl is a product that does not fall within this category. Its formula contains only natural and pure ingredients backed by numerous clinical studies and research. It offers a simple philosophy that seems to work well – offer top-quality ingredients in the most effective potency, great price options with a terrific money-back guarantee and you won’t be disappointed.

Another aspect of taking supplements that contain a large amount of inactive or unnecessary ingredients is the lack of understanding of how these chemicals may affect existing medical conditions or medications. If the ingredients are bona fide and in their natural form, side effects or negative interactions are unlikely to be experienced.

We were very happy to discover that Approved Science Sleepsyl is manufactured in an FDA registered facility. What’s more, is that it is cGMP recognized and complies with the US Pharmacopeia’s standards for quality and purity. This suggests that this company takes what it does very seriously, and strives to keep its products safe, natural and effective – a mentality that we totally appreciate.


Approved Science Sleepsyl by Approved Science comes at an affordable price with some excellent multiple purchase deals, allowing for huge cost savings for consumers. Also, this company is staunchly against any auto-ship programs, as they can be nearly impossible to cancel once implemented.

Nowadays, consumers need to be ‘smart shoppers’, carrying out as much research as they can about what they would like to purchase, in order to avoid wasting their money. There are many options out there that charge a lot of money for inferior products that simply will not deliver the results that they promise. This is disheartening and quite frankly, a bad and dishonest practice.

Orders are shipped within 24 hours, with the exclusion of any orders placed on weekends and holidays. They are wrapped and sent in discreet packaging, with no identifying marks on the outside, unlike other companies who often have embarrassing slogans or logos. Furthermore, this company provides a 60-day risk-free money-back guarantee. If you are not 100% happy with the results, you are able to return the product and receive a full refund. That shows strong confidence in its product and we totally support that kind of guarantee.

In Conclusion

When people are searching for a good sleep aid, they can get distracted by products that will just knock them out instead of finding solutions that target the root of the issue and use natural ingredients to help your body get the truly restful sleep it craves. The total-care solution of managing stress and anxiety and stimulating your body’s own natural resources to drift into a deep slumber will produce the restorative sleep that gives people the energy to be their very best. 

Approved Science Sleepsyl specifically contains the optimal blend of ingredients which are clinically proven to stop the causes of sleeplessness in its tracks and promote deep sleep. These include:

  • L-ornithine to relieve stress and improve sleep quality.
  • A combination of Valerian and Hops Flower to initiate sleep efficiently and increase sleep duration.
  • 6 mg of Melatonin for regulating sleep patterns and promoting restful sleep.
  • L-Taurine for reducing cortisol levels as well as increasing GABA production.
  • Lemon Balm to help induce a calming feeling and reduce stress. 

Additionally, there are other significant elements to bear in mind, such as third-party testing and comprehensive customer reviews that give us a great indication of how the product really works.

Of all the products that we reviewed, across all parameters, none compared to Approved Science Sleepsyl. If you are looking for a top-quality formula backed by research and scientific data that is an effective solution to relieving sleeplessness, you would be hard pushed to find anything better than Approved Science Sleepsyl.

Approved Science Sleepsyl
Relaxium Sleep
ProHealth FibroSleep
Grandma’s Herbs Night Nervine
Contains L-ornithine for stress relief and improved sleep quality
Contains combination of Valerian and Hops Flower for better and longer sleep
Contains 6 mg Melatonin for regulating sleep patterns and promoting restful sleep
Third-party tested for purity
No additives, preservatives, or artificial ingredients
Money-Back Guarantee

Read on to see what their happy customers are saying

“This past year has been a complete mess with the pandemic. My lifestyle and schedule changed so dramatically that I don’t even know where the day goes. When it was time to go to sleep, I felt so wired and totally wide awake. It didn’t matter how much I exercised during the day or how hard I worked, I was up until 4am every night. Night after night of doing this started to take a major toll on me.  Approved Science Sleepsyl has helped me tremendously. I take 2 capsules at 9:30 and I’m out around 10pm. When I wake up in the morning, I actually feel rested! I feel like I slept without feeling groggy. These are great! I’ve tried other products and none of them have worked like these.”  – Jack Lawson

“These are a lifesaver! I have occasional bouts of insomnia which turn me into a wreck the next day. The stress of not being able to fall asleep makes it even harder to get some shut-eye and then I am really a disaster. It takes about 20 minutes for these pills to kick in and then I am floating along in dreamland. The best part is that when I wake up I am so clear-eyed. I’ve taken products that make me feel like I’m in a coma! It’s a godsend to know Approved Science Sleepsyl is there when I need it. I always have a supply on hand. Love it!” – Cecilia Presley


“Makes me sleep like a baby. I’ve tried other products that have helped me sleep but they were so intense that it was hard to wake up. I also found that the better some products work, the more habit-forming they were. I like that I can take Approved Science Sleepsyl only when I need it. I also really like that I don’t feel drowsy the next morning. Two thumbs up!” – Alex Pittman       


“My issues are never falling asleep. When my head hits the pillow after a long day, I am out. The problem is when I get woken up by my one-year-old at 2am. After I’m done getting her a bottle and then putting her back to sleep, it is impossible for me to get back to sleep. I lie in bed staring at the ceiling until my alarm goes off. Thankfully now I don’t have to go through that anymore! I highly recommend this product for any mom who is desperate for some good sleep!”  – Nancy Stone

“At 70 years old I have accumulated many health issues. I’ve been diagnosed with Chronic Fatigue Syndrome and most recently have been suffering with insomnia. I eliminated many different types of food from my diet and I was starting to get nervous that I was losing too much weight. After doing a lot of research over the years, I ended up trying Approved Science Sleepsyl. I feel so humble and grateful for this wonderful product. I need to express my deepest appreciation for what this product has given me. I am not exaggerating when I say that it saved my life. I wish the Approved Science much success. Please don’t change this product, it is the right amounts of amino acids, Melatonin and natural herbs.”   – Shannon Garner

“What I like the most about this product is that it consistently delivers results. There are some nights when it is imperative that I get a solid night’s sleep and I know that it will keep me sleeping through the night. There was one time when I needed to wake up due to an emergency, and I was able to without a problem. It’s the perfect balance of being drowsy without feeling under the influence of prescription medication. The other thing I really like is that I can get discounts if I order a bunch of bottles at once. I have space to store them and I never have to worry about running out of my favorite product. If you have a demanding job and need your rest,  then I’d recommend getting this.” – Hannah Jensen        

“My wife has always had difficulty falling asleep. She’s tried atarax, benadryl, etc. She’s also used various teas and anything else she could find. Needless to say, there was never any improvement with any of those. Anytime she’d find something that sort of worked, it usually came with many discouraging side-effects. Approved Science Sleepsyl worked right out of the bottle. She’s petite so she only needs one pill to get her sleeping. We gave some to my 35 year old daughter and it worked right away for her as well. We happily endorse Approved Science Sleepsyl as an effective way to get great sleep.” – Wayne Matthews

FAQs about Approved Science Sleepsyl:

How does Approved Science Sleepsyl work?

The key lies in the ingredients contained within this formula – they haven’t simply been plucked from thin air so that they have a list of ingredients that looks good on the label! Each ingredient in this product is supported by clinical research and has a reason to be there! Its unique formula is based on clinical studies that have shown huge promise in the battle against sleeplessness. By including a multifaceted approach using key ingredients to target the causes of insomnia, reduce stress, promote calmness and induce deep and restorative sleep. It has included effective ingredients such as L-ornithine, a combination of Valerian and Hops Flower, a powerful dose of Melatonin and calming herbs such as Lemon Balm and Chamomile in a highly effective dose to ensure optimal effects and fast results of the effective approach to naturally promote and enhance restful sleep. 

This unique formula works to help reset your body’s natural internal clock so that you can return to your circadian rhythm for truly restorative rest that leaves you at your optimal functioning self. The great thing is that this formula is all-natural which means that it is safe for long-term use.

Do all Sleep Aids work in a similar way?

The short answer is basically no, they do not. There are many companies that just ride the trends, producing inferior products with weak formulas in the wrong proportions. Many use incorrect ingredients, fillers, binders or even worse ingredients that can affect desired results, and even be dangerous.

What should I look for in an effective Sleep Aid formula?

  • It should contain clinically-proven L-ornithine to relieve stress and improve sleep quality.
  • It should contain a combination of Valerian and Hops Flower to initiate sleep efficiently and increase sleep duration.
  • It should contain a high dose of 6 mg of Melatonin for regulating sleep patterns and promoting restful sleep.
  • It must be 100% pure, natural and with no unnecessary ingredients that could reduce the effectiveness of the product.
  • It should be formulated using the same potency as found effective in clinical studies.

Are there any side effects noted when using this product?

Our research did not uncover any negative side effects when using this product. The ingredients that are contained within the formula of Approved Science Sleepsyl are all-natural and pure, what’s more, they are doctor-approved, so the lack of any negative effects is to be expected. That said, as with any supplement, we always recommend consulting with a doctor if you are pregnant, breastfeeding, have an existing medical condition or are taking any other medication.

What are the dosage instructions for Approved Science Sleepsyl?

The manufacturers of this product suggest taking 2 capsules per day, preferably 30 minutes before mealtime with a glass of water. 

As with any medication or supplement, always follow the recommended dosage instructions and do not exceed them as this poses health risks.

How long before I can see any results?

Results will vary for each person. For some, they will see changes almost immediately, for others it may take longer. It is different for each person. Other factors that affect results can include age, diet, and lifestyle so it is hard to say exactly. What you should look out for are those companies who offer a satisfaction guarantee. This suggests that they are confident that their products will deliver the desired results. And after all, if you don’t get the results you were hoping for you can always return the product. Approved Science Sleepsyl offers a great money-back guarantee.

What price should I expect to pay?

The costs of products vary among manufacturers. Unfortunately, many are cheap, useless supplements that have been formulated without any science-based evidence to back them up. Some of these companies are selling their products for over $100 per bottle, which is very expensive. On average, the best supplements we found are selling between the $40-$50 price range. Often, when products appear cheaper, this is indicative of low quality or a low recommended daily serving, which will not bring the results you are looking for. Be aware. Read the labels.

Which Sleep Aid should I buy?

As each person’s experience of a product is different, it is difficult to say specifically which one is the best. That said, based on several factors, we did like Approved Science Sleepsyl. We found that from 50+ products that we looked at, Approved Science Sleepsyl had the best quality of ingredients, potency and strength, positive consumer feedback and the manufacturer’s customer service was excellent.

How safe is it to order over the internet?

Approved Science Sleepsyl is safe to be ordered over the internet. The manufacturer utilizes the latest encryption software to protect your credit card information and does not engage in shady schemes such as ‘automatic billing’ programs like many other companies do. They also deliver very efficiently and quickly, using discreet packaging.

Why should I choose Approved Science Sleepsyl?

There are several reasons why we liked this product including purity of ingredients, customer service, satisfaction, and effectiveness. Its formula is backed by clinical studies and we feel it values consumers’ health above and beyond the profit margins.

This is a great product that you can depend on. It has a well-researched formula with the right ingredients in the correct potency. And if that wasn’t enough, check out the customer reviews – they say it all. It counts with many happy customers clearly singing the praises of this trustworthy product who are highly loyal to this brand. We will summarize the key benefits one more time:

  • It contains clinically-proven L-ornithine to relieve stress and improve sleep quality.
  • It contains a combination of Valerian and Hops Flower to initiate sleep efficiently and increase sleep duration.
  • It contains a high dose of 6 mg of Melatonin for regulating sleep patterns and promoting restful sleep.
  • It contains only all-natural ingredients that are pure and backed by clinical research.
  • Its formula provides a potent dose of clinically proven ingredients to target the causes of sleeplessness as well as promote restful and restorative slumber. 
  • It offers a recommended daily serving of 2 easy to swallow capsules that can be taken at night. For best results, the manufacturer suggests that individuals take them 30 minutes before bedtime. 
  • Its formula does not contain any synthetic additives, hormones, preservatives, binders, fillers or other unnecessary ingredients.
  • Its lab is FDA and cGMP recognized.
  • Its products comply with the standards for quality and purity outlined by the U.S. Pharmacopeia
  • This product is well priced and falls below average when compared to other similar products. The manufacturer of Approved Science Sleepsyl also provides some great discounts for multiple purchases, which can save consumers a lot of money.
  • Our research showed that the company is trustworthy, reliable, transparent and has integrity and a great reputation in the industry.
  • The manufacturer of Approved Science Sleepsyl offers a great 60-day money back guarantee which can be utilized, no questions asked if you are not happy with the results. This shows that the manufacturer has strong confidence in his products.

The Bottom Line

At the end of the day, the bottom line is that consumers have so many options when choosing a health supplement. We are constantly being bombarded with commercials, advertisements and messages about so many different products, for varying health issues that it is beyond confusing which ones are the real deal and which ones are a waste of time. Sleep Aids are no exception, with many companies simply trying to cash in on the latest health trends and pushing their products on unwilling consumers.

We like Approved Science Sleepsyl because we feel that this company is different. It is in it for the long haul. It has researched its ingredients well and produced its formula using only pure natural ingredients with a lot of clinical data to back them up. The manufacturer ofApproved Science Sleepsyl offers what more companies should – an effective, affordable product supported by a real concern for the health of their customers. As an added bonus, Approved Science Sleepsyl has many happy testimonials to support our belief that this is a great product and a great company.   

What You’ll Discover:

Which Sleep Aid is the BEST BUY and comes with a great GUARANTEE!
Which formula and ingredients are the most EFFECTIVE and work the fastest?
How NOT to get ripped off! BE AWARE of poor quality and cheap products.

The Top 6 Items to Consider:

  1. Ingredients
  2. Cost Per Serving
  3. Product’s Testing Results
  4. Company’s Reputation
  5. Consumer Reviews
  6. Return Policy & Satisfaction Guarantee

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