The short answer · Sperm motility

Vitacost, Synergy®, Mitochondrial Energy Booster, 120 Capsules
4.3· 3 ratings· $0.70/serving
Acetyl-L-Carnitine 1000 mg — inside the studied 1000-3000 mg window
Of 3,770 products scored for Sperm motility, Vitacost, Synergy®, Mitochondrial Energy Booster, 120 Capsules ranks #1 with a DoseRank score of 86. Ubiquinone leads the evidence here, backed by Acetyl-L-Carnitine and Selenomethionine.
Ubiquinone leads the evidence here, backed by Acetyl-L-Carnitine and Selenomethionine.
Moderate evidence · 1000 mg
Acetylated L-carnitine that crosses the blood-brain barrier; supports mitochondrial energy and has the strongest evidence among carnitine forms for cognitive benefit.
Moderate evidence · 200 mcg
Selenium bound to methionine, the predominant natural dietary form; best-absorbed selenium supplement with efficient tissue retention, often used for thyroid and antioxidant enzyme support.
Strong evidence · 200 mg
Questions
Vitacost, Synergy®, Mitochondrial Energy Booster, 120 Capsules ranks #1 for Sperm motility with a DoseRank score of 86. The score blends clinical strength, evidence, dose fit, trust signals and value across 3,770 products scored for this outcome.
Ubiquinone leads the evidence here, backed by Acetyl-L-Carnitine and Selenomethionine.
3 of 3 dosed ingredients land in the studied range. Acetyl-L-Carnitine at 1000 mg lands inside the studied 1000-3000 mg window. DoseRank scores this product's dose fit at 74 out of 100.
Vitacost, Synergy®, Mitochondrial Energy Booster, 120 Capsules works out at $0.70 per serving. $0.70 per serving — high price tier for this outcome. The cheapest ranked pick here is $0.31 per serving.
No. Retailer links may be affiliate links, but rankings and placement are never paid. Every product is scored by the same public model, and the ranking is recomputed from the underlying product data rather than edited by hand.
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Retailer links may be affiliate links. Rankings and placement are never paid.
The oxidized, stable form of CoQ10 in most supplements; well-studied and cheaper, but must be reduced to ubiquinol in the body, lowering its bioavailability.
3 of 3 dosed ingredients land in the studied range. Acetyl-L-Carnitine at 1000 mg lands inside the studied 1000-3000 mg window.
Acetyl-L-Carnitine
Studied window 1000-3000 mg · this pick 1000 mg
Selenomethionine
Studied window 100-200 µg · this pick 200 mcg
Ubiquinone
Studied window 200-400 mg · this pick 200 mg
Limited trust signals so far for this listing. Each product gets a DoseRank score blending clinical strength, evidence, dose fit, trust and value. Retailer links may be affiliate links — the scoring model decides placement, never payment from a brand.
$0.70 per serving — high price tier for this outcome. The cheapest ranked pick here is $0.31 per serving.
Why not the absolute cheapest? The DoseRank score also weighs clinical strength, evidence, dose fit and trust — the very cheapest listings rarely hold up everywhere else.
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The #1 pick is $0.70 a serving.Vitacost, Synergy®, Mitochondrial Energy Booster, 120 Capsules — in stock at a tracked retailer.
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