L-Tryptophan 500 mg
Source Naturals
Score 78
This supplement offers a solid dose of L-Tryptophan with supporting Vitamin B6, making it a good choice for those prioritizing mood and sleep support, though it requires multiple tablets per serving.
Score 78
This supplement offers a solid dose of L-Tryptophan with supporting Vitamin B6, making it a good choice for those prioritizing mood and sleep support, though it requires multiple tablets per serving.
Analysis
This Source Naturals L-Tryptophan product delivers a substantial 1.5 grams of L-Tryptophan per serving, which is a good amount often used by those looking to support relaxation and a balanced mood. L-Tryptophan is known as a precursor to serotonin and melatonin, which play important roles in these areas. The inclusion of Vitamin B6 at 9mg is a smart addition, as B6 is a key helper nutrient that assists the body in converting tryptophan.
While the formula also contains small amounts of Calcium and Iron, these are not present in quantities large enough to significantly contribute to general bone health or iron needs. The product is packaged as tablets, with each serving requiring three tablets to reach the 1.5-gram dose of L-Tryptophan. This might be a consideration for those who prefer fewer pills per serving.
Pros
- Provides a substantial 1.5-gram dose of L-Tryptophan per serving.
- Includes Vitamin B6, an important co-factor for tryptophan conversion.
- Tablet form may be preferred by some users for precise dosing.
- Generally targets common needs like sleep and mood effectively.
Cons
- Requires taking three tablets to achieve one full serving.
- Calcium and Iron are present in very small amounts, offering limited benefit for their respective goals.
- The formula attempts to address a wide range of goals, but only strongly supports a few.
Warnings
- L-Tryptophan can cause drowsiness; it may be best taken before bed.
- Consult with a healthcare professional before use, especially if pregnant, nursing, or taking medications like antidepressants or sedatives.
- Start with a lower dose to assess tolerance if you are new to L-Tryptophan.
$12.42($0.62 per serving)
 iHerb | $ 12.42 |
Goals
Impact
Highest effect
L-Tryptophan is a precursor to melatonin, a hormone critical for regulating sleep cycles. The generous dosage combined with Vitamin B6 makes this product highly suitable for helping with sleep.
Impact
Highest effect
L-Tryptophan is a well-known precursor to serotonin, a neurotransmitter that can contribute to a balanced mood. The substantial dose and inclusion of B6 make it a strong candidate for this goal.
Impact
Highest effect
By supporting serotonin production, L-Tryptophan can contribute to feelings of calm and relaxation, which often helps with managing daily stress. It promotes a sense of well-being that can lessen the impact of stress.
Impact
High effect
By supporting healthy neurotransmitter levels and promoting restful sleep, L-Tryptophan can indirectly contribute to overall brain function. It’s not a direct cognitive enhancer but supports the underlying conditions for brain health.
Impact
High effect
Improved sleep quality and balanced mood, which this supplement can help with, are foundational for optimal cognitive function. While not a direct cognitive enhancer, it provides indirect support.
Impact
High effect
Improved sleep and a balanced mood, which L-Tryptophan can support, often lead to better mental clarity and focus. However, it's not a direct stimulant or focus-enhancing ingredient on its own.
Impact
Moderate effect
While better sleep and mood can indirectly improve productivity, this product does not contain direct energy-boosting or stimulating ingredients. Its effect on productivity would be secondary.
Impact
Lower effect
L-Tryptophan is more associated with relaxation and sleep, not direct energy production. While improved sleep can lead to more energy, it's not an energy supplement in the typical sense.
Ingredients
| Ingredient | Amount per serving |
|---|---|
Vitamin B6 | 9 mg |
Calcium | 57 mg |
Iron | 0.6 mg |
L-Tryptophan | 1.5 Gram(s) |
Vitamin B6 85
The product includes 9mg of Vitamin B6, which is a very relevant and effective amount for its role as a cofactor in the conversion of L-Tryptophan to serotonin. This inclusion significantly enhances the product's primary function.
Iron 20
The product contains a very small amount of iron (0.6mg), which is unlikely to make a significant contribution to daily iron intake or address any iron deficiencies. It's not a primary source of iron.
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