L-Tryptophan 500 mg
Jarrow Formulas
L-Tryptophan 500 mg
4.4
★ ★ ★ ★ ★
(1483 ratings)
Tryptophan 500 mg
Score 72.0
A 500mg L-Tryptophan from a reputable brand, but at a slightly higher price for a basic formulation.
Quantity: 60 Veggie Cap(s)Servings size: 1 Capsule(s) (60 servings)
Selected goals:
Other goals:
Mood Support
Stress Relief
Sleep Support
leaderboard Score 72.0
A 500mg L-Tryptophan from a reputable brand, but at a slightly higher price for a basic formulation.
insights Analysis
This product delivers 500mg of L-Tryptophan per veggie cap, an appropriate dose for supporting mood, stress relief, and sleep. Jarrow Formulas is a well-regarded brand in the supplement industry, which adds to its trustworthiness. Despite a solid review count, the price per serving is higher than many direct competitors that offer similar purity or even enhanced forms for a more economical cost, positioning it as an average choice in terms of value.
- From a reputable brand, Jarrow Formulas.
- Standard and effective 500mg dosage.
- Veggie caps suitable for vegetarians.
- Good review count.
- Higher price per serving compared to many pure L-Tryptophan alternatives.
- Does not include synergistic cofactors or enhanced forms to justify its pricing relative to competitors.
- Consumers seeking best value for a pure L-Tryptophan product may find more economical options available that offer comparable quality.
$12.70($0.21 per serving)
 Daily Vita | $ 12.70 | |
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 Vitacost | $ 19.12 | |
 Amazon | $ 19.12 |
bolt Effectiveness for goals
Tryptophan is an essential amino acid that serves as the sole precursor for the synthesis of serotonin in the body. After absorption, Tryptophan is converted to 5-hydroxytryptophan (5-HTP), which then converts to serotonin. This process is crucial for various physiological functions.
Tryptophan is an essential amino acid often supplemented to support the body's natural production of serotonin and melatonin. These compounds play roles in mood regulation, sleep cycles, and overall well-being. Its use is typically aimed at supporting these physiological processes.
L-Tryptophan is an essential amino acid, meaning the body cannot produce it and it must be obtained through diet. It serves as a precursor to serotonin, a neurotransmitter involved in mood regulation, and melatonin, a hormone that regulates sleep-wake cycles. Additionally, Tryptophan is involved in the synthesis of niacin (vitamin B3).
Some research suggests that Tryptophan may support sleep by increasing the production of serotonin, which is a precursor to melatonin. Melatonin is a hormone crucial for regulating the sleep-wake cycle. While findings are mixed, some individuals report benefits in sleep latency and quality.
L-Tryptophan is converted into 5-hydroxytryptophan (5-HTP), which then becomes serotonin, and subsequently melatonin in the pineal gland. Melatonin is a key hormone that helps regulate the body's circadian rhythm and promote sleep. By providing the building blocks for melatonin, Tryptophan may contribute to sleep onset and quality.
schedule Dosage, timing & forms
L-Tryptophan dosages are generally higher (e.g., 500-2000mg) compared to 5-HTP (e.g., 50-300mg), as 5-HTP is a more direct precursor to serotonin. Both are often taken before bed for sleep or split through the day for mood support. Their absorption and potential effects can differ due to their metabolic pathways.
Typical dosages for L-Tryptophan can range from 500 mg to 2000 mg per day, often split into multiple doses. The appropriate amount can depend on individual needs and the desired effect. It's generally advisable to start with a lower dose and adjust as needed, preferably under guidance.
Typical dosages for L-Tryptophan can vary based on individual needs and the intended use. For sleep support, dosages often range from 500 mg to 2000 mg taken before bedtime. For mood support, lower doses may be taken throughout the day. It's advisable to start with a lower dose and adjust as needed, preferably under guidance.
To optimize absorption and reduce competition with other amino acids, L-Tryptophan is often recommended to be taken on an empty stomach. Alternatively, taking it with a carbohydrate-rich, protein-low snack can enhance its transport into the brain. Taking it with protein-rich meals can hinder its effectiveness.
For sleep support, L-Tryptophan is often recommended to be taken 30-60 minutes before bedtime. For other purposes, it might be taken throughout the day, sometimes between meals to aid absorption. Individual responses can vary.
health_and_safety Safety & interactions
Combining L-tryptophan with antidepressant medications, particularly SSRIs, MAOIs, or tricyclics, can significantly increase serotonin levels, potentially leading to a serious condition called serotonin syndrome. It is crucial to consult a healthcare professional before combining these substances. Always seek medical advice regarding supplement and medication interactions.
Yes, L-Tryptophan can interact significantly with medications that affect serotonin levels, such as selective serotonin reuptake inhibitors (SSRIs), serotonin-norepinephrine reuptake inhibitors (SNRIs), and MAO inhibitors. Combining Tryptophan with these drugs can potentially lead to a serious condition called serotonin syndrome. It is crucial to consult a healthcare professional before taking L-Tryptophan if you are on any such medications.
Common side effects, especially at higher doses, can include mild gastrointestinal issues such as nausea, heartburn, stomach pain, and loss of appetite. Other potential effects might include drowsiness, dizziness, and dry mouth. It's generally well-tolerated when taken appropriately.
Yes, supplements that also influence serotonin levels, such as 5-HTP and St. John's Wort, should generally not be combined with L-tryptophan. This combination could also elevate the risk of serotonin syndrome. Always consult a healthcare provider for personalized advice on supplement stacking.
Individuals taking antidepressant medications (SSRIs, SNRIs, MAOIs), certain pain medications, or other drugs that affect serotonin should generally avoid L-Tryptophan due to the risk of serotonin syndrome. Pregnant or breastfeeding women, and those with pre-existing liver or kidney conditions, should also consult a healthcare provider before use. People with Eosinophilia-Myalgia Syndrome (EMS) history should also exercise caution.
Ingredients
| Ingredient | Amount per serving |
|---|---|
| L-Tryptophan | 500 mg |
Categories
Tryptophan 70.0
It adequately represents the Tryptophan category with its standard dosage and reputable brand. However, its uncompetitive price point compared to other L-Tryptophan products, particularly those with enhanced features or better value, lowers its standing within the collection.
Goals
Mood Support 75.0
As a direct precursor to serotonin, it effectively contributes to mood regulation. Its solid dose makes it functional, but its cost means there are more economical ways to achieve this benefit.
Stress Relief 75.0
By aiding in the synthesis of calming neurotransmitters, it can help reduce feelings of stress. The effectiveness is there, but the product's value proposition isn't as strong as others.
Sleep Support 75.0
It facilitates melatonin production, essential for healthy sleep cycles. While it will aid sleep, its higher price per serving makes it less ideal for budget-conscious regular use.
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