When to take it
With food.
← All supplements
Amino acidsNo evidence
L-threonine
Also known as: threonine
Threonine is an essential amino acid that is a key component of protective gut mucus and of proteins such as collagen and elastin. A normal diet provides enough.
What it is used for
- Gut lining support – no reliable human evidence
- Top-up with low protein intake – weak evidence
Forms and how they differ
L-threonine
standard form in capsules
Pairs well with
Complete protein, EAAs.
Do not combine / separate
Taking it alone has no clear advantage over EAAs or protein.
Watch out for
Consult your doctor or pharmacist if you are pregnant, breastfeeding, have kidney or liver disease or take any medicines.
Safety
Do not exceed the label dose.
Practical tip
To top up essential amino acids, choose an EAA complex or complete protein instead.
Products containing L-threonine 1
L-threonine free form 500 mgfree form · 500 mg / capsule
How to read the evidence rating
Strong evidenceModerate evidenceWeak evidenceNo evidence
Strong = several good human studies or official recommendations; moderate = promising but smaller studies; weak = few studies or mixed results; no evidence = claims not confirmed.
Combination check
Select the supplements you take and, if relevant, your medicines. We show what interferes, what needs a time gap and what to watch out for.
Check L-threonine with othersWhich supplements do you actually need?
Fénix Methode picks them from your blood results and schedules when to take what – no needless purchases.
From the same group
Acetyl-L-carnitineWeak evidenceAlmond proteinWeak evidenceAmino acid complexWeak evidenceBCAAWeak evidenceBeef proteinModerate evidenceCaseinStrong evidence
Important notice
This information is educational and does not replace advice from a doctor or pharmacist. We do not give medicine dosages. Supplements are no substitute for a varied diet; if pregnant, breastfeeding, ill or on medication, consult a doctor first.