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Rnlabs – DL-Phenylalanine

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SKU: 36 Category:

Features & Benefits

DL-Phenylalanine provides the essential L- isomer precursor for Tyrosine production and stress resilience, as well as the rarer D- isomer used clinically to modulate mood and pain perception, among other uses. Assists with motivation, mood, enrergy, supports thyroid. Not to be taken in evening, may interupt sleep.

Dose & Administration

400 – 800mg 2 x day. Take before Lunch only, doses can be in morning and again at lunchtime. Can inhibit sleep if taken too late in day.


Pure Pharmaceutical-Grade DL-Phenylalanine

DENSITY: 1 ml = 400 mg (0.400 g/ml)

Caution & Contradindications

As a source of Phenylalanine, DL-Phenylalanine is contraindicated in those with Phenylketonuria (PKU).
DL-Phenylalanine has not been extensively tested for its effects during pregnancy.
Health practitioners may prefer to avoid its use during pregnancy or lactation, unless confident that its impact can be reasonably deemed to be safe or beneficial.
All RN Labs products follow the relevant Australian regulations, standards and guidelines.


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