Protocol · Men's Health/Fertility
Asthenozoospermia (Low Sperm Motility) Support Protocol
Coenzyme Q10 and L-Carnitine are the core of this stack, with 5 supporting supplements. Each row gives the amount the protocol lists and the grade our evidence database holds for that supplement in Asthenozoospermia (Low Sperm Motility) Support.
We are re-verifying the studies cited on protocol pages; only confirmed citations are shown.
The stack
7 supplements · 1 graded
| Grade | Supplement | Amount listed | Why it’s in the stack | Evidence on file | Shop |
|---|---|---|---|---|---|
| Primary stackThe core of this protocol | |||||
| Coenzyme Q10 | Amount listed: 200–300 mg daily | Supports sperm mitochondrial energy production; improves motility in studies
| Grade C for Seminal Motility2 studies · 22 people | ||
| L-Carnitine | Amount listed: 2–3 g daily (L-carnitine or acetyl-L-carnitine) | Essential for sperm energy metabolism; improves motility | Not graded yet | ||
| Supporting stackListed as additions to the core | |||||
| Zinc | Amount listed: 25–50 mg daily | Essential for sperm function and testosterone; improves sperm quality | Not graded yet | ||
| Selenium | Amount listed: 100–200 mcg daily | Antioxidant; essential for sperm motility; component of selenoproteins | Not graded yet | ||
| Omega-3 Fatty Acids | Amount listed: 1–2 g DHA daily | DHA is a component of sperm membrane; supports sperm function | Not graded yet | ||
| Vitamin E | Amount listed: 400 IU daily | Antioxidant; protects sperm membranes from oxidative damage | Not graded yet | ||
| Folate | Amount listed: 400–800 mcg daily | Supports DNA synthesis; may improve sperm quality | Not graded yet | ||
Shop the evidence-backed picks
The collection holds the supplements we grade A or B for its theme, in third-party tested products where the catalog has them. It opens in our Fullscript store. You can look through it without signing in; Fullscript asks for a free account to order.
Or shop one supplement
Each opens third-party tested products, matched to the dose above where we can.
- Grade C
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How this protocol works
In plain language
Asthenozoospermia is a condition where sperm have reduced motility (movement). Sperm need to swim effectively to reach and fertilize an egg. When motility is low, it reduces the chances of natural conception.
NORMAL SPERM MOTILITY:
- Progressive motility >32% OR
- Total motility (progressive + non-progressive) >40%
CAUSES:
- Often idiopathic (unknown cause)
- Varicocele (varicose veins in scrotum)
- Infections (past or present)
- Lifestyle factors (smoking, alcohol, heat exposure)
- Oxidative stress
- Nutritional deficiencies
- Genetic factors
- Certain medications
LIFESTYLE MODIFICATIONS:
- Stop smoking
- Limit alcohol
- Avoid excessive heat (hot tubs, saunas, laptop on lap)
- Maintain healthy weight
- Regular but not excessive exercise
- Wear loose-fitting underwear
- Manage stress
WHEN TO SEEK TREATMENT:
- After 12 months of trying (6 months if female partner >35)
- Semen analysis confirms asthenozoospermia
- Consider varicocele evaluation
MEDICAL TREATMENTS:
- Varicocele repair (if present)
- Treat underlying infections
- Assisted reproduction (IUI, IVF, ICSI)
CoQ10 and L-carnitine* are most studied for improving sperm motility.
Zinc and selenium* are essential for sperm function.
Antioxidants* protect sperm from oxidative damage.
Expected timeline: Sperm production takes ~74 days. Allow 3-6 months of supplementation before reassessing semen parameters.