Dr. Grey AI

Oligospermia

Oligospermia is a condition of male infertility characterized by a low sperm count. A sperm count below 15 million sperm per milliliter of semen is considered as oligospermia.

Quick Answer

What it is

Oligospermia is a condition of male infertility characterized by a low sperm count. A sperm count below 15 million sperm per milliliter of semen is considered as oligospermia.

Key findings

  • Grade A: Fertility (L-Carnitine)
  • Grade C: Luteinizing Hormone (Ashwagandha)
  • Grade C: Erections (Tribulus Terrestris)

Safety

No specific caution or interaction language was detected in the current summary/outcome notes.

ℹ️ Quick Facts

Quick Facts: Oligospermia

  • Supplements Studied:4
  • Research Trials:3
  • Total Participants:862
  • Grade A Supplements:1
  • Top Supplement:L-Carnitine (A)
3 trials
862 ppts
4 supps · 19 outcomes

Evidence-Based Protocol

Supplement stack ranked by research quality

Moderate Evidence

Primary Stack (Tier 1)

L-CarnitineA
2-3g daily (often as acetyl-L-carnitine or L-carnitine combined)

Essential for sperm energy metabolism and motility; improves sperm concentration, motility, and morphology

20 studies | 1,500 participants
Coenzyme Q10 (CoQ10)B
200-400mg daily

Antioxidant that protects sperm from oxidative damage; improves sperm density, motility, and morphology

12 studies | 800 participants

Supporting Stack (Tier 2)

ZincB
25-50mg daily

Essential for testosterone synthesis and sperm development; deficiency common in infertile men

15 studies | 1,000 participants
AshwagandhaC
300-675mg daily (root extract)

Reduces oxidative stress, improves testosterone levels, and enhances sperm quality parameters

8 studies | 350 participants
SeleniumB
100-200mcg daily

Antioxidant essential for sperm formation; component of selenoproteins needed for sperm development

10 studies | 600 participants
Folate (L-Methylfolate)B
400-800mcg daily

Essential for DNA synthesis during sperm production; deficiency associated with abnormal sperm

10 studies | 700 participants
ShilajitC
250-500mg purified extract daily

Traditional Ayurvedic remedy that may improve testosterone and sperm parameters

4 studies | 200 participants
Tribulus TerrestrisC
250-750mg daily

May increase luteinizing hormone and testosterone; traditional use for male fertility

6 studies | 300 participants
Omega-3 Fatty AcidsB
1-2g EPA+DHA daily

DHA is essential for sperm membrane fluidity and function; may improve sperm morphology

10 studies | 600 participants

How It Works

Oligospermia (low sperm count) is defined as having fewer than 15 million sperm per milliliter of semen. Along with low motility (asthenozoospermia) and abnormal morphology (teratozoospermia), it's a major cause of male factor infertility, which contributes to about 40-50% of all infertility cases. Causes include hormonal imbalances, varicocele, infections, heat exposure, oxidative stress, and nutritional deficiencies. While medical evaluation is essential to identify treatable causes, nutritional supplementation can significantly improve sperm parameters in many men.

IMPORTANT: Male infertility requires medical evaluation to identify underlying causes (varicocele, hormonal issues, infections, obstructions). This protocol supports sperm health but does not replace proper diagnosis and treatment of underlying conditions.

•L-Carnitine is crucial for sperm energy production. Sperm need enormous amounts of energy for their long journey, and carnitine transports fatty acids into mitochondria to produce this energy. Multiple meta-analyses show L-carnitine significantly improves sperm concentration, motility, and sometimes morphology. It's one of the best-studied supplements for male infertility.
•Coenzyme Q10 (CoQ10) is a powerful antioxidant concentrated in sperm mitochondria. Sperm are highly vulnerable to oxidative stress, which damages their DNA and membranes. CoQ10 protects against this damage while also supporting energy production. Studies show it improves sperm density, motility, and morphology.
•Zinc is essential for testosterone production and normal sperm development. Seminal fluid has very high zinc concentrations. Zinc deficiency is common in infertile men, and supplementation can improve sperm count and motility. It also has antioxidant properties that protect sperm.
•Ashwagandha is an Ayurvedic adaptogen that reduces stress hormones (which negatively affect sperm), increases testosterone, and has antioxidant effects. Studies show it can improve sperm count, motility, and semen volume in infertile men.
•Selenium is essential for sperm formation—it's a component of selenoproteins required during spermatogenesis. It also protects sperm from oxidative damage. Low selenium levels are associated with poor sperm quality. Supplementation, often combined with other antioxidants, can improve sperm parameters.
•Folate is crucial for DNA synthesis during the rapid cell divisions of sperm production. Deficiency is associated with abnormal sperm and DNA damage. Supplementation, especially combined with zinc, may improve sperm count and quality.
•Shilajit is a traditional Ayurvedic medicine that contains fulvic acid and minerals. Studies suggest it may improve testosterone levels and sperm parameters, though research is limited.
•Tribulus Terrestris has been used traditionally for male fertility and vitality. While its effects on testosterone are debated, some studies suggest benefits for sperm quality.
•Omega-3 Fatty Acids, particularly DHA, are essential components of sperm cell membranes. They affect membrane fluidity, which is crucial for sperm function. Studies suggest omega-3 supplementation may improve sperm morphology and motility.

Expected timeline: Sperm take about 74 days to develop, so supplements need at least 3 months to show effects. Full benefits often require 3-6 months of consistent supplementation. Repeat semen analysis after 3 months of supplementation.

Generated from peer-reviewed researchSchema v2.0

Detailed Outcomes

|
A
Fertility
Moderate Improvement
5 studies
moderate↑Improves
?
Seminal Motility
4 studies
↑Improves
?
Sperm Count
1 study
↑Improves
C
Luteinizing Hormone
Small Increase
1 study
small↑Improves
?
Seminal Motility
1 study
↑Improves
?
Sperm Count
1 study
↑Improves
?
Sperm Quality
1 study
↑Improves
?
Testosterone
1 study
↑Improves
C
Erections
Small Increase
1 study
small↑Improves
?
Fatigue Symptoms
1 study
↓Improves
?
Libido
1 study
↑Improves
?
Sperm Count
1 study
↑Improves
?
Sperm Quality
1 study
↑Improves
?
Testosterone
1 study
↑Improves
C
Follicle-Stimulating Hormone
Small Increase
1 study
small↑Improves
?
Luteinizing Hormone
1 study
↑Improves
?
Oxidative Stress Biomarkers
1 study
↑Worsens
?
Sperm Quality
1 study
↑Improves
?
Testosterone
1 study
↑Improves

Research Citations (100)

Effects of Withania somnifera supplementation on cognitive function: A systematic review and meta-analysis
(2024)
PMID: 38146803
Effects of Ashwagandha (Withania somnifera) Supplementation on Exercise Performance: A Systematic Review and Meta-Analysis
(2024)
PMID: 38529566
Ashwagandha (Withania somnifera) and its withanolides attenuate oxidative and inflammatory signaling in the nervous system
(2024)
PMID: 38678538
Effect of Ashwagandha (Withania somnifera) extract on sleep: A systematic review and meta-analysis of randomized controlled trials
(2023)
PMID: 36804187
Clinical effects of Ashwagandha (Withania somnifera) root extract on human health: A systematic review of reviews
(2023)
PMID: 37062481
A Comprehensive Review on Pharmacological Activity of Withania somnifera (Ashwagandha)
(2023)
PMID: 37234185
Effects of Ashwagandha (Withania somnifera) on Testosterone Levels: A Systematic Review and Meta-Analysis
(2022)
PMID: 35371298
Ashwagandha (Withania somnifera)-Current Research on the Health-Promoting Activities: A Narrative Review
(2022)
PMID: 35553682
Withania somnifera (L.) Dunal: A review of chemical composition and pharmacological activities
(2022)
PMID: 34883514
Efficacy of Ashwagandha (Withania somnifera) in Improving Cardiorespiratory Endurance and Recovery in Healthy Athletic Adults: A Systematic Review
(2021)
PMID: 33599941

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