Phenylalanine
Phenylalanine is an aromatic amino acid which is an essential constituent of the diet. Phenylalanine is used as a dietary supplements.
Primary Characteristics
It belongs to Aromatic amino acid.
Non-proprietary name: Phenylalanine · pH: 5.4.

Pharmacokinetics
Absorption: Phenylalanine has an pre-systemic (first-pass) metabolism accounts for 0.5% (±0.5%).
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Indications
Phenylalanine is primarily indicated in conditions like Chronic pain, Depression, Parkinson's disease, Premedication before surgery.
Phenylalanine is also indicated for secondary conditions like Vitiligo.
Contraindications
Phenylalanine is contraindicated in conditions like Hyperthyroidism, Schizophrenia, Cancer, Pregnancy, Lactation.
Dosage
Phenylalanine's dosage details are as follows:
| Dose | Single Dose | Frequency | Route | Instructions |
|---|---|---|---|---|
| Adult Dosage | ||||
| 14 mg/kg of body weight/day | 14 mg/kg of body weight/day | — | PO | |
| Paediatric Dosage (20kg) | ||||
| No data. | ||||
| Neonatal Dosage (3kg) | ||||
| No data. | ||||
Drug Interactions
Always consult your physician for the change of dose regimen or an alternative drug of choice that may strictly be required.
Side Effects
The signs and symptoms that are produced after acute overdosage of Phenylalanine are Nausea, Heart burn, Headache.
Warnings / Precautions
Available Brands
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Multi-Ingredient Combinations
Drug Classification
- 1.27 — Vitamins, minerals, tonics, and other susbstances
Manufacturers
Manufacturers of Phenylalanine in Pakistan: