Description
Our 5-HTP powder is 5-HTP supplied as loose powder. Each batch is tested by LC-MS to 99% purity or higher. It’s $20.99. It’s sold for laboratory research only.
It’s also available as 5-HTP liquid. Browse the rest of our nootropic powders for related compounds.
What is 5-HTP?
5-Hydroxytryptophan is the direct precursor of serotonin. The body makes it from tryptophan, and it’s also extracted from Griffonia simplicifolia seeds.
It crosses the blood-brain barrier, unlike serotonin.
5-HTP powder specifications
- Compound: 5-HTP (5-hydroxytryptophan, 5-Hydroxy-DL-tryptophan, DL-5-Hydroxytryptophan)
- CAS number: 56-69-9
- Molecular formula: C11H12N2O3
- Molecular weight: 220.22
- Purity: 99% or higher, tested by LC-MS
- Amount: 25g
- Form: Loose powder
- Storage: Keep it in a cool, dry place away from direct sunlight
- Use: laboratory research only, not for human or veterinary use
5-HTP in published research
Small clinical trials have looked at it for mood and sleep, with mixed results.
Turner and colleagues reviewed its pharmacology in 2006.
The original papers are on PubMed if you’d like to read them in full.
Weighing and handling 5-HTP powder
Buying 5-HTP as a powder gives you full control. Weigh out exactly what your protocol calls for, make up your own solutions, or encapsulate it yourself.
For small amounts you’ll want a scale that reads to at least 0.01g, and ideally 0.001g. Our digital scale and micro scoops make it easier to get consistent measurements. Weigh onto clean weighing paper, and close the bag or jar straight after so the powder doesn’t pick up moisture.
Making a solution from 5-HTP powder
To make a stock solution, decide on the final volume and concentration first. For 30mL at 10mg/mL you’d weigh 300mg of 5-HTP, dissolve it in about 25mL of solvent, then top up to exactly 30mL.
Check the compound’s solubility in your chosen solvent before you start, and try a small test amount first. Store the finished solution in a labelled glass bottle.
Purity testing for 5-HTP
We test each batch of 5-HTP by LC-MS, which pairs liquid chromatography with mass spectrometry. The chromatography splits the sample into its components and the mass spectrometer identifies them, which tells you both identity and purity. This batch came in at 99% or higher.
Small differences between batches are normal, so write the batch number from the label into your records. If something looks wrong when your order arrives, like discoloured powder or a cloudy solution, set it aside and don’t use it.
How to store 5-HTP
Keep it in a cool, dry place away from direct sunlight. Use a clean, dry scoop each time, and reseal the container straight away. Label anything you decant with the compound, amount and date, and keep it out of reach of children and pets.
Common questions about the 5-HTP powder
What can I dissolve 5-HTP powder in?
That depends on the compound’s solubility and your protocol. Check the solubility data for your solvent first, and test a small amount before making up a full batch.
What scale do I need?
One that reads to 0.01g at minimum, and 0.001g for very small amounts. Our pocket scale reads to 0.01g.
Is the 5-HTP powder in stock?
Yes. Every option on this page is in stock and ready to ship.
Other nootropics you might need
Other products in the same range include 7, 5-Deazaflavin powder, 9-Fluorenol powder and 5-Amino-1MQ powder. Our main Nootropics page lists everything in the category.
Buy 5-HTP powder from Umbrella Labs
It’s simple. Add it to your cart and check out. The 5-HTP powder is in stock and ready to ship. Need other compounds for the same study? Browse nootropic powders or our lab supplies.
Sold for laboratory research use only. It isn’t for human or veterinary use, and it isn’t a food, drug or cosmetic.
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