Pollen Extract Rye (Secale cereale): Benefits, Dosage, Safety & Evidence

Questions fréquentes

How does rye pollen extract work for BPH?

Rye pollen extract works through multiple mechanisms to support prostate health. Its active compounds—phytosterols and polyunsaturated fatty acids—inhibit 5-alpha-reductase enzyme activity, which converts testosterone to dihydrotestosterone (DHT). This reduction in DHT may help shrink enlarged prostate tissue. Additionally, the extract demonstrates anti-inflammatory properties by modulating prostaglandin synthesis and reducing inflammatory markers in prostate tissue. Evidence level: C.

Can I take rye pollen extract with other prostate medications?

No significant drug interactions have been documented with rye pollen extract in clinical studies. However, caution is advised when combining it with prescription BPH medications like finasteride or alpha-blockers, as additive effects are possible. Men on hormone therapies should consult their physician before use. Those with pollen allergies should avoid this supplement entirely due to potential allergic reactions. Evidence level: C.

What is the correct dosage of rye pollen extract for prostate health?

The clinically studied dosage for rye pollen extract (Cernitin) is 126-252mg daily, taken in divided doses with meals. This typically means one to two tablets or capsules twice daily. Clinical trials for BPH and prostatitis have demonstrated effectiveness at this dosage range. Consistent daily use is essential, with therapeutic benefits typically appearing after 3-6 months of regular supplementation. Evidence level: C.

Is rye pollen extract safe for women who are pregnant or breastfeeding?

Rye pollen extract is not safe for use during pregnancy or breastfeeding. This supplement is designed for male prostate conditions and lacks safety data in pregnant or nursing women. The extract's potential hormonal effects could pose risks to fetal development or infant health. Women who are pregnant, planning pregnancy, or breastfeeding should avoid this supplement entirely. Evidence level: Traditional.

What are the side effects of rye pollen extract?

Rye pollen extract is generally well-tolerated, with most side effects being mild. Gastrointestinal disturbances, including nausea and stomach discomfort, are the most commonly reported reactions. Rare allergic reactions may occur, particularly in individuals with known pollen allergies. Symptoms of allergic reaction include skin rash, itching, or respiratory symptoms. Those with pollen allergies should avoid this supplement. Evidence level: C.

Fiche d'information compilée à partir de PubMed

Cette fiche a été compilée à partir de résumés PubMed (NIH) avec l'assistance d'une IA. Chaque affirmation factuelle est citée par un article PubMed réel (voir la liste des sources). Elle n'a pas encore été révisée par un humain — confirmez auprès d'un professionnel de santé avant utilisation.

Compilé à partir de 30 articles PubMed · modèle : gemma4:31b

Résumé

Pollen extract from Secale cereale (rye), often referred to as cernitin, is used primarily for the management of prostatic diseases and lower urinary tract symptoms [PMID:27180172, PMID:31342610].

Contexte

Secale cereale L. is a diploid Triticeae species and an important cereal crop used for food, beverages, and feed [PMID:27888547, PMID:38304738]. Pollen extracts derived from this species, such as cernitin, are utilized as phytotherapeutic agents for urinary dysfunction [PMID:1879805, PMID:31342610].

Composés actifs

Rye grains are a source of macromolecules including starch, fiber, proteins, and phenolic compounds [PMID:34865784]. Specific preparations like cernitin are described as standardized pollen extracts [PMID:29751604].

Mécanisme d'action

Cernitin may exert anti-inflammatory effects by upregulating the anti-inflammatory cytokine interleukin (IL)-10 and its receptors IL-10RA and IL-10B [PMID:31342610]. In rat models, it has been shown to decrease the contents of pro-inflammatory cytokines IL-6 and TNF-alpha [PMID:11523128] and reduce prostaglandin E2 (PGE2), nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB), and malondialdehyde (MDA) [PMID:29751604]. Additionally, it has demonstrated the ability to inhibit the growth of human prostate-derived cell lines in vitro [PMID:1699627].

Preuves cliniques

Preuve BBenign Prostatic Hyperplasia (BPH)

Long-term treatment (12+ weeks) showed significant decreases in symptom scores and increases in maximum and average urine flow rates, though prostatic volume remained unchanged in the short term [PMID:7538904]. Other reviews note mixed efficacy results with significant confounders like poor product standardization [PMID:27180172]. In a comparative trial, tamsulosin and a combination of tamsulosin and cernitin were more effective than cernitin alone for urinary disturbance [PMID:12094707].

Preuve BChronic Prostatitis/Chronic Pelvic Pain Syndrome (CP/CPPS)

Cernitin pollen extract was used as add-on therapy to alpha-blockers, showing significant improvement in NIH-CPSI total, pain, and quality of life sub-scores at 12 weeks [PMID:32648985].

Preuve CProstate-Specific Antigen (PSA) Levels

Administration of cernitin pollen extract for 30 days resulted in a significant mean decrease in serum PSA levels (-0.6 ± 1.4 ng/mL) [PMID:29577437]. However, a review of RCTs concluded that evidence for most dietary factors, including cernitin, is inadequate to recommend their use for down-regulating PSA in men with prostate cancer or increased risk [PMID:33003518].

Preuve BUrinary Incontinence (UI) in Women

A randomized, double-blind, placebo-controlled study investigated the efficacy of nonsolvent flower pollen extracts (Graminex RCT Fem UI and Graminex PollenBerry) on UI in healthy women over 24 weeks [PMID:39219633].

Posologie et administration

Reported dosages include 126 mg (two 63 mg tablets) three times a day for BPH [PMID:7538904] and two tablets three times a day for 30 days for PSA modulation [PMID:29577437]. Consult a healthcare provider.

Synthèse des preuves

The evidence for rye pollen extract is primarily based on clinical trials and reviews focusing on urological conditions. While some individual trials show benefit for BPH and chronic prostatitis, systematic reviews suggest the overall evidence is mixed or inadequate for certain specific claims like PSA reduction.

Sources PubMed

1.PMID: 35692639 (2022) — The complete chloroplast genome of weedy rye Secale cereale subsp. segetale. · Mitochondrial DNA. Part B, Resources
2.PMID: 16988347 (2006) — Rye (Secale cereale L.). · Methods in molecular biology (Clifton, N.J.)
3.PMID: 33003518 (2020) — Dietary Factors and Supplements Influencing Prostate Specific-Antigen (PSA) Concentrations in Men with Prostate Cancer and Increased Cancer Risk: An Evidence Analysis Review Based on Randomized Controlled Trials. · Nutrients
4.PMID: 27180172 (2016) — Phytotherapy for Benign Prostatic Hyperplasia. · Current urology reports
5.PMID: 32648985 (2020) — Comparison of cernitin pollen extract vs tadalafil therapy for refractory chronic prostatitis/chronic pelvic pain syndrome: A randomized, prospective study.

Pollen Extract Rye

Sources et citations

Calculer une dose sûre de Pollen Extract Rye

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Questions fréquentes

Résumé

Contexte

Composés actifs

Mécanisme d'action

Preuves cliniques

Posologie et administration

Synthèse des preuves

Sources PubMed

Sources gouvernementales

Pollen Extract Rye

Sources et citations

Calculer une dose sûre de Pollen Extract Rye

Plantes associées

Kapok

Kunzea Ambigua

Epimedium

Questions fréquentes

Résumé

Contexte

Composés actifs

Mécanisme d'action

Preuves cliniques

Posologie et administration

Synthèse des preuves

Sources PubMed

Sources gouvernementales