Adaptogen

Gamma-oryzanol

Rice bran extract

Mechanism

Gamma-Oryzanol ist ein Gemisch von Ferulasäureestern aus Reiskleie. Es wird populär zur Unterstützung von Muskelaufbau und Kondition vermarktet; die zugrunde gelegten anabolen Effekte sind beim Pferd nicht belastbar belegt. Antioxidative Eigenschaften sind beschrieben.

Cautions

· Anabolic marketing claims are not scientifically established

Sources

JEVSGamma-oryzanol in equine performance — limited evidence

PMID:30513813Chodkowska et al. 2018 (Nutrients) — Gamma-Oryzanol in equinen Satellitenzellen unter oxidativem Stress

PMID:31085396Waraksa et al. 2019 (J Pharm Biomed Anal) — Gamma-Oryzanol-Analytik in Reitsport-Supplementen

Equiterna Score

61/100

solid

Science4.5/10

Practical experience6/10

Safety8.4/10

Overall score scale

high overall75–100solid55–74limited0–54

How the Equiterna Score is built

The Equiterna Score combines three dimensions into a value of 0-100: science (40%), practical experience (30%) and safety (30%). It is transparently derived from evidence level, attributed sources (PubMed/journals), legal classification and cautions. The FEI doping status is shown separately as a competition-law note and does not enter the score. Commissions and vendor relationships have no influence on the score. In addition, the editorial safety rating caps the result: it limits the safety dimension and the overall tier (orange: at most solid). For entries rated red, no score is calculated at all. The rating never raises anything — a green rating does not lift a calculated value.

An editorial assessment of the evidence and safety situation — not a healing claim and not an individual recommendation. It does not replace veterinary advice.

Dosageproduct-specific (mg–g/day)

AMG statusComplementary feed

FEI statusNot listed

Evidenceemerging

Knowledge connections

Related conditions

Overtraining Syndrome (chronic performance decline) →discussed in the muscle/recovery context (limited evidence) — check FEI status before competition

All sources in the study library →

Frequently asked questions

Is Gamma-oryzanol a feed or a veterinary medicine for horses?

Equiterna classes Gamma-oryzanol as “Complementary feed”. Legal framework: Regulation (EU) 2019/6 / TAMG (DE/AT), Feed Regulation (EC) 767/2009.

Is Gamma-oryzanol allowed at FEI competitions?

In the profile, Gamma-oryzanol is listed with the FEI status “Not listed”. The current FEI list is authoritative, so please check its latest version.

Which dosage do the sources give for Gamma-oryzanol?

Stated in the profile: product-specific (mg–g/day). This is information from the literature, not an instruction for an individual horse.

Which sources are there for Gamma-oryzanol?

The profile cites: JEVS, PMID:30513813, and PMID:31085396.

Usage note

This content is for information and education. It does not replace veterinary diagnosis or treatment. If your horse shows signs of illness, consult a veterinarian.

“Nothing forced can ever be beautiful.”

Xenophon · On Horsemanship (c. 365 BC)

Equiterna is an intermediary platform for equine knowledge, marketplace and tools — not a veterinary-medicines dealer, veterinary practice or pharmacy. Compound information is source-attributed (PubMed, specialist journals, NRC/GfE, EU regulations) and free of healing claims. Legal framework: Regulation (EU) 2019/6 / TAMG (DE/AT), Feed Regulation (EC) 767/2009, FEI Prohibited Substances List, HWG.

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