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2017's 10 Best
L-Tryptophan Supplements

What is L-Tryptophan?

L-Tryptophan (or just tryptophan), sometimes referred to as ‘the calming amino acid’, is an essential amino acid that our bodies need to be healthy. [1] Amino acids are the building blocks of proteins, and essential amino acids are especially important because our bodies cannot produce them. This means we have to get them from our food. In addition to forming an important part of many proteins, L-Tryptophan is used to make other important molecules in our bodies that have a variety of functions, including regulation of sleep and mood.

Is There a Difference Between Tryptophan and L-Tryptophan?

Tryptophan comes in two varieties: L-Tryptophan and D-Tryptophan. D-Tryptophan is rarely found in proteins, and does not get converted into melatonin or serotonin. [2] Because of this, L-Tryptophan is what you’ll see on the markets. See the #1 L-Tryptophan Supplement now A D-Tryptophan supplement would be extremely rare and would not be beneficial.

Why Should I Take It?

L-Tryptophan is considered a dietary supplement. This means that you should take L-Tryptophan if you don’t get enough in your regular diet. Many people have trouble getting enough of this amino acid from normal foods, and find that their bodies suffer many side effects from this deficiency. Below are listed a few of the conditions that may be exacerbated by a tryptophan deficiency, and that many people use tryptophan to relieve.

  • Depression
  • Mood disorders
  • Trouble sleeping
  • Sleep apnea
  • Anxiety
  • Facial pain
  • Premenstrual Syndrome [3]

Remember that L-Tryptophan is not a cure for any of these conditions, but it does reverse some common problems that result from a dietary deficiency. If not getting enough tryptophan in your diet contributes to you having any of these problems, a tryptophan supplement could be the solution. See the #1 L-Tryptophan Supplement now.

L-Tryptophan Metabolism

How Does It Work?

Your body uses many complex molecules for signaling and regulation. Many of these molecules can be hard for your body to make so it employs a shortcut: it makes them from relatively complex molecules like tryptophan that are already very similar in structure. Although this is an effective way for your body to churn out hard molecules to produce, it also means that a deficiency in your diet can have compounded negative effects.

Our bodies use tryptophan in this way. We turn it into melatonin, which aids sleep, and serotonin, which has a variety of functions, including helping with mood regulation. Many people have trouble getting enough tryptophan in their diets, but when you take tryptophan supplements, your body is more able to produce melatonin and serotonin. That’s why people with chronic sleep and mood issues, or who suffer from low melatonin or serotonin levels more specifically, can benefit from taking additional tryptophan.

Is It Safe?

Yes! L-Tryptophan is considered safe by the FDA as a dietary supplement. [4] In addition it is part of a normal diet, although many find it hard to get enough through just their food. L-Tryptophan isn’t just safe, it’s an essential part of your diet.

I’ve Heard the FDA Recalled L-Tryptophan?

L-Tryptophan is safe and natural. In the 1980’s, one foreign importer of tryptophan used an unsafe process to refine it which resulted in a contaminant (often referred to as Peak E) that increased the risk of a condition known as EMS, or eosinophilia-myalgia syndrome. This resulted in FDA restrictions on the import of tryptophan supplements. In 2001 the FDA relaxed many of its restrictions as the unsafe processes used in the past had been identified, traced to its source, and stopped. [5] In other words, tryptophan is now produced in a completely safe way. Getting Tryptophan from supplements is safe as long as you follow your supplement manufacturer’s instructions and general common sense.

What Dose Should I Take?

The best advice is to follow manufacturer instructions. If your product is sold legally in the United States the dosage should be safe. The US Food and Nutrition Board recommends 5 mg/kg of body weight (roughly 5mg for every 2.2 pounds), and many manufacturers recommend a dose around 500mg of the raw supplement for adults. [6] Each company will package its supplements differently, so the number of pills or amount of powder that contains this dosage may vary. Make sure to check the packaging for more information. If the brand shows a range of doses you can take, it’s always best to take the smallest effective dose. This means you should start with the lowest recommended dose and increase the dose until you get the desired effect. Never take more than the highest recommended dose.

Can I Take It with Other Supplements?

Yes. Tryptophan is found in the food you already eat. That means if you take anything else approved as a dietary supplement you already are receiving tryptophan in your diet with the other supplements you take. If you follow dosage instructions for all the products you use, tryptophan is safe to take with other dietary supplements. See the #1 L-Tryptophan Supplement now

Can I Take It with Medications?

Because tryptophan is found in many foods, it is usually not considered problematic when taken with medications. Some scientists suspect that it may interact with certain drugs, but these interactions are only suspected and not well known or studied. [7] You should ask your doctor if you have any questions, or are pregnant or breastfeeding and plan to take L-Tryptophan. If you experience any unwanted side effects with L-Tryptophan, as with any supplement, you should stop taking it and talk to your doctor.

What are the Side Effects?

Tryptophan can have several side effects. Side effects are rare for people consuming proper amounts of tryptophan, but some people report higher sensitivity to tryptophan than others. Below are some of the side effects that are commonly reported from taking tryptophan supplements:

  • Tremors
  • Sweating
  • Strong heartbeat/palpitations
  • Nausea
  • Loss of muscle control
  • Muscle stiffness
  • Hives
  • Blurred vision
  • Head twitching
  • Drowsiness or fatigue
  • Dizziness [8]
  • Eye twitching [9]

As with all supplements, discontinue use and consult your doctor if you experience any unwanted side effects, and never use more than the recommended dosage. See the #1 L-Tryptophan Supplement now

L-Tryptophan or 5-HTP?

Our bodies naturally convert tryptophan to melatonin and serotonin. Part of the process involves converting it first into 5-hydroxytryptophan, or 5-HTP. Because of this many report very similar effects from both supplements. If your problem is tryptophan deficiency, a tryptophan supplement may not only work fine, it might also be cheaper. If tryptophan doesn’t seem to be working, consider the possibility of using a 5-HTP supplement with your doctor.

L-Tryptophan or Melatonin?

Because our bodies use L-Tryptophan to make melatonin, many report similar results for both. Just like with 5-HTP, if your problem is tryptophan deficiency, and not another problem with the production of melatonin, a tryptophan supplement may not only work fine, but it’ll probably also be cheaper. If tryptophan doesn’t seem to be working, you might want to talk to your doctor about using melatonin.

L-Tryptophan or Seratonin?

Tryptophan is used for many many things inside our bodies, and another one of those things is to produce serotonin. Because of this, many report similar results from both. Just like with 5-HTP and melatonin, if your problem is tryptophan deficiency, rather than a problem with your body using serotonin or a problem in the production of serotonin besides tryptophan deficiency, a tryptophan supplement may not only work fine, it might also be much cheaper than another product designed to increase serotonin levels. If tryptophan doesn’t seem to be working, consider the possibility of using another medication with your doctor.

L-Tryptophan and Other Products

Occasionally you’ll find someone on the internet who’ll tell you that tryptophan works in place of their prescription sleeping or mood medications, like Xanax. Although this sounds like a dream come true for many, L-Tryptophan has not been investigated by the FDA to validate these or other claims of its treatment capability. Always consult your doctor before replacing a prescription medication. See the #1 L-Tryptophan Supplement now

What Should I Look for in My L-Tryptophan Supplement?

For many people cost will be the primary issue. If you’re going to be using this for a while you don’t want to be spending an arm and a leg. But don’t overlook issues of quality. Shop around for a low price for your supplement that doesn’t compromise purity or potency. Here’s an easy trick you can use: if you divide the total cost of your supplement by the serving count, a competitive price is between 12 and 16 cents per serving (not including any shipping costs).

After you find a few providers that offer tryptophan at a good price, start comparing the quality of the supplements themselves. When comparing different supplements, ask around (or ask the manufacturer) if each product you’re considering is tested for quality by a third party. Usually this is a good indication that the manufacturer is producing a reliable product. That way you know you’re getting a the kind of supplement you want.

Here’s one last but simple thing to look out for: be sure you’re getting the type of tryptophan you want. If pills are easier, make sure you buy a pill. If you want a powder, make sure that’s what you buy and that a serving scoop is included. It sounds simple, but you’ll find a lot of people overlook this and end up causing themselves a lot of unnecessary frustration.

What Other Ingredients are Sometimes Added to this Supplement?

Common ingredients in capsules and pills include gelatin (for the capsule), silicon dioxide and rice flour (to fill in any empty space), and magnesium stearate (commonly used as a lubricant) [12]. These are generally recognized as safe and you shouldn’t worry too much if you see this on the ingredient list. If you are vegan you’ll want to avoid gelatin since it can be made from animal products.

Search for an option with veggie capsules or that’s powdered. One other common ingredient, Piperine, is also normal in supplements. Piperine has been shown to aid in the absorption and retention of certain substances, including tryptophan. [13] If you see other ingredients it’s always wise to do a little research and find out what they’re used for. Also, make sure the tryptophan is present in the amount you want (see “What dose should I take?” above). Sometimes the actual amount of tryptophan in a product is small because so many other ingredients are added, which means you end up paying more than you want for the same effect.

Best L-Tryptophan Supplements

Our top 10 list of tryptophan supplements is organized to reflect what you most value in your supplements. First and foremost is quality. All ten of or top ten supplements meet high standards of quality and come from brands with a proven record in excellence and purity. Another important factor in deciding the top ten was cost. You don’t have to pay through the nose to get a high quality supplement. In addition, all the companies represented on our top ten list have stellar records with customer service and prompt shipping to ensure that your supplement experience is enjoyable from the first click to your final pill.

#1 - Nutricost L-Tryptophan

The Standout: Trustworthy Formula, Best Value For Price

Nutricost's L-Tryptophan earns the #1 spot, due to the high quality formula for the unbeatable price. Each capsule is designed to provide 500 mg of L-Tryptophan for only 10 cents per serving, beneficial for ensuring quality sleep and mood improvement.

  • 500 Mg L-Tryptophan
  • 10 Cents Per Serving
  • 120 Servings
  • Improve Relaxation
  • Boost Sleep Quality

L-Tryptophan is metabolized into 5-HTP within the liver, then travels pass the blood brain barrier to be converted into Serotonin. Serotonin has been vastly researched, and is associated with calmer, relaxed moods and restful sleep due to the conversion of serotonin to melatonin at night.

Nutricost has earned their reputation for being dependable, and providing high-quality supplements at an affordable cost. Their L-Tryptophan is no exception, captured by all the 5-star reviews on Amazon.

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TryptophanProduct

#2 - BulkSupplements L-Tryptophan

The Standout: Pure, Powder Formula Bulksupplements.com has made a clean, pure L-Tryptophan powder that is perfect for stacking with other supplements for a customized regimen, or used as a stand-alone product. Delivering 500 mg per standardized serving, you can control the dosage with ease. 500 Mg L-Tryptophan 50 Gram Pouch Great For Stacking Promote Restful Sleep Boost Overall Mood In order to get adequate levels of L-Tryptophan, it is necessary to obtain it through dietary measures. While foods like certain dairy, meats, nuts, and seeds contain L-Tryptophan, it is still possible to be deficient or depleted. Age, inflammation and chronic illness are just some of the ways in which Tryptophan levels can be lowered. L-Tryptophan serves as a precursor to both Serotonin and Melatonin, both of which are essential to sleeping well and experiencing improved moods. Bulksupplements.com has made it simple to provide high quality L-Tryptophan to meet whatever your needs are, whether replenishing Tryptophan stores or prevent them from being drained. Keep Reading »

#3 - Bri Nutrition L-Tryptophan

The Standout: High Dosage And Efficacy BRI Nutrition focuses on providing a high dose of quality extra-strength L-Tryptophan, totaling 1500 mg per serving. You can rest assured that you are meeting your l-tryptophan needs, allowing for peaceful sleep and moods. 1500 Mg L-Tryptophan 40 Servings Supports Positive Mood Promotes Restful Sleep L-Tryptophan is an essential amino acid, meaning our body cannot synthesize it, so it must be consumed through diet. While foods like certain meats, nuts, beans, tofu, seeds, and oats include l-tryptophan, it is still possible to be deficient, especially when dietary lacking. BRI Nutrition's L-Tryptophan is made in a GMP certified facility and tested for guaranteed purity and efficacy. Keep Reading »

#4 - Source Naturals L-Tryptophan

Source Natural's L-Tryptophan encourages the best mood, relaxation, and sleep. There is 500 mg of L-Tryptophan in every capsule, and a total of 120 servings. Tryptophan has been shown to also support healthy immune function, by being a precursor to the kynurenines that regulate immunity. L-tryptophan also converts to niacin, which supports a healthy cardiovascular system. Source Naturals L-Tryptophan is regularly tested to ensure the highest standards of quality and purity. Keep Reading »

#5 - NOW L-Tryptophan

If you are struggling to get a good night's rest, L-Tryptophan is an amino acid worth looking at. Precursor to both Serotonin and Melatonin, L-Tryptophan can help boost quality of sleep and relaxation, while regulating hormones and promoting healthy stress response. Now L-Tryptophan provides 500 mg of high quality L-Tryptophan in every capsule, and tested to ensure each blend is free of microbial contamination. Keep Reading »

#6 - Amazing Nutrition L-Tryptophan

Amazing Formulas L-Tryptophan is a natural way to get a good night's rest. Free of synthesized sleep promoting drugs, L-Tryptophan is a pure and alternative way to attain quality sleep. However, L-Tryptophan is not just a sleep supplement, this multi-faceted amino acid also boosts immune function and mood. 500 mg is most prescribed by healthcare professionals, and each capsule delivers just that. Free of allergens and fillers, Amazing Formulas L-Tryptophan is a safe addition to any bedtime routine. Keep Reading »

#7 - Superior Labs L-Tryptophan

Superior Labs goes above most L-Tryptophan supplements by offering one of the cleanest L-Tryptophan sources around. Each capsule contains zero magnesium stearate, dioxides, anti-caking agents, preservatives, colors or flavors. One serving provides the standard 500 mg of L-Tryptophan, promoting sleep, positive moods, and relaxation. Keep Reading »

#8 - Nutrissence L-Tryptophan

Nutrissence's L-Tryptophan is another high quality L-Tryptophan supplement, designed to help combat depression by boosting serotonin levels, and promote sleep by enhancing melatonin production. With 500 mg in every serving, Nutrissence can help provide any L-Tryptophan that may be lacking in diet alone. Each batch is guaranteed NON- GMO and is free of preservatives, artificial color, and allergens. Keep Reading »

#9 - Doctors Best L-Tryptophan

Sleep is vital for supporting overall health and function, and it's important to get the best quality sleep possible. Doctor's Best L-Tryptophan can assist with boosting sleep quality with their potent 500 mg L-Tryptophan, backed by thoroughly tested research. Their L-Trpytophan is obtained from TryptoPure┬«, a highly purified, pharmaceutical-grade L-tryptophan. Gluten Free, Non-GMO, Vegetarian, and Vegan friendly, each capsule can help you feel well rested each morning. Keep Reading »

#10 - Lidtke Technologies

Lidtke Technologies L-Tryptophan is a high dose L-Tryptophan supplement, delivering 1500 mg per serving, so you can sleep well and stay calm. Tryptophan is a precursor to serotonin, the neurotransmitter that plays a key role in managing appetite, mood, sleep cycles, and immune function. Aside from sleep and mood benefits, L-tryptophan may reduce cravings for carbohydrates and sugar, supporting healthy digestion. Keep Reading »

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