Everything about 5-HTP
5-HTP: all articles — from dosage to timing, explained clearly.
5-HTP and antidepressants: why they don't mix
Antidepressants, carbidopa, St John's wort: which agents act on the same metabolic pathway as 5-HTP — and what the official warnings actually say.
5-HTP or L-tryptophan: where the difference lies
One metabolic step separates the two — and that single step explains why one pack says 500 mg and the other says 12.5 mg.
Is 5-HTP vegan? What matters on the label
In the EU, 5-HTP always comes from griffonia seeds. That alone does not make a product vegan — the capsule shell, anti-caking agent and glazing agent decide.
5-HTP quality: what the label has to state
No authority checks a food supplement before it is sold. Which details are mandatory, what a certificate of analysis shows and how suspect goods stand out.
5-HTP side effects: what is reported and how often
Gastrointestinal complaints come first and depend on the amount. What the only official monograph lists — and why there are no frequency figures.
Buying 5-HTP: price per mg, not per bottle
The pack price and the price per kilogram are useless for comparing 5-HTP products. How to work out cost per day and price per 10 mg from the label.
5-HTP: morning or evening, with or without food?
With a meal rather than on an empty stomach — and why that does not slow absorption. What is actually documented about the time of day and what is merely copied.
Griffonia simplicifolia: the plant behind 5-HTP
5-HTP comes from the seeds of Griffonia simplicifolia. What the plant is, how the seeds become an extract and which number on the label actually counts.
5-HTP dosage: how much is actually in there?
Milligrams of extract are not milligrams of 5-HTP. How to work out the daily amount from the label — and what the 30 percent limit really limits.
5-HTP: what to know about taking it
5-HTP (300 mg): background on the origin, use and intake of this amino acid precursor — summarised factually.