Histidine is a semi-essential amino acid used to build proteins and support growth and tissue repair. It also serves as a precursor to histamine.

What are the main benefits of histidine?

Histidine supports protein synthesis and helps the body produce histamine involved in immune responses. It may also contribute to antioxidant activity and nerve protection.

What foods are high in histidine?

Histidine is found in protein-rich foods such as meat, fish, poultry, eggs, dairy, legumes, nuts, and seeds. Most balanced diets provide histidine through dietary protein.

How much histidine should I take?

Common supplemental amounts are about 500–1500 mg per day, depending on goals and individual needs. People with medical conditions or those taking medications should consult a clinician before supplementing.

Who may need extra histidine?

Children and people under physiological stress or with certain health conditions may have higher needs. Supplement decisions are best individualized with medical guidance, especially in kidney disease.

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Histidine

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Semi-essential amino acid crucial for protein synthesis, histamine production, and nerve protection, with roles in immune function and kidney health.

Anti-inflammatory Essential Nutrient Antioxidant Immune Booster Neuroprotective Kidney Health Anemia Support

Doz aralığı

500–1500 mg

Divide into 2–3 doses if over 1,500 mg/day or for therapeutic uses.

Gelir

Take orally; does not require fat for absorption; may be taken with or without food.

Yağda çözünmez.

En iyi zaman

Can be taken at any time, typically with morning or main meals to support absorption and adherence.

Açıklama

Histidine is a semi-essential amino acid found in protein-rich foods and is vital for growth, tissue repair, and producing histamine. It is essential in children, certain health conditions, and during periods of physiological stress.

Avantajlar

Kanıt derecesi ile ana etkiler

Moderate

Kanıtla ilgili not

Strongest clinical evidence for therapeutic dosing in kidney disease–related anemia; moderate for other benefits; generally safe at typical intakes.

Supports immune function and histamine production

Moderate

Acts as a precursor to histamine, involved in immune response regulation and allergy management.

Özellikle ilgili olduğu kişiler: Individuals with immune dysfunction · General population

1 · Journal of Nutrition 4 · NIH Office of Dietary Supplements: Protein and Amino Acids 5 · Examine.com: Histidine

Promotes kidney health and anemia management

Strong

Supplementation may improve hemoglobin levels and anemia in people with chronic kidney disease.

Özellikle ilgili olduğu kişiler: Individuals with chronic kidney disease · People with anemia

2 · American Journal of Clinical Nutrition

Provides antioxidant and neuroprotective effects

Limited

Acts as an antioxidant and helps protect nerve cells, possibly supporting neurological health.

Özellikle ilgili olduğu kişiler: Individuals at risk of neurodegenerative conditions

3 · Amino Acids

Güvenlik ve Uyarılar

Önemli güvenlik bilgileri ve bilinen riskler

Sadece eğitim amaçlıdır • tıbbi tavsiye değildir

Generally safe at standard supplemental doses, but high intakes can cause adverse effects and may not be suitable for everyone.

Uyarılar

Rare metabolic disorder (histidinemia) is a contraindication.
High doses may decrease zinc absorption over time.
Potential for mild gastrointestinal side effects at high intakes.
Avoid histidine supplementation in individuals with histidinemia.
High doses may decrease zinc absorption—avoid concurrent high-dose zinc supplementation without monitoring.
Use only with clinician supervision in chronic kidney disease or when used above standard doses long-term.

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