DOSERANKEVIDENCE-BASED SUPPLEMENTS© 2026 DoseRank · Evidence-based supplements
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DOSERANKEVIDENCE-BASED SUPPLEMENTSFull analysis

The short answer · Memory

Take bacopa monnieri, huperzine a & phosphatidylserine for memory. This is the one to buy.

Vitacost, Synergy®, Cognitive Support, 60 Capsules
1

Vitacost, Synergy®, Cognitive Support, 60 Capsules

$0.76/serving

DoseRank score85

Bacopa Monnieri 300 mg — inside the studied 300-600 mg window

Of 4,053 products scored for Memory, Vitacost, Synergy®, Cognitive Support, 60 Capsules ranks #1 with a DoseRank score of 85. Bacopa Monnieri and Huperzine A lead the evidence here, backed by Phosphatidylserine and Ginkgo Biloba.

View on iHerb— $0.76/sv60-sec quiz instead
Cheaper alternative$0.06 per servingMason Natural, Whole Herb Ginkgo Biloba, 180 Capsules (125 mg per Capsule)

Retailer links may be affiliate links. Rankings and placement are never paid.

The form“Why Bacopa Monnieri, Huperzine A & Phosphatidylserine?”Evidence Strong evidence

Bacopa Monnieri and Huperzine A lead the evidence here, backed by Phosphatidylserine and Ginkgo Biloba.

  • Bacopa MonnieriThe pick

    Strong evidence · 300 mg

    Ayurvedic nootropic herb whose bacosides are thought to support memory and reduce anxiety, with benefits building over several weeks.

  • Huperzine AThe pick

    Strong evidence · 100 mcg

    Potent acetylcholinesterase inhibitor derived from Chinese club moss; raises acetylcholine to support memory and focus, but has a narrow effective dose range.

  • PhosphatidylserineThe pick

    Moderate evidence · 100 mg

    Phospholipid concentrated in brain cell membranes; soy- or sunflower-derived supplements are used to support memory, cognition, and cortisol regulation under stress.

Buy the #1 pick
The dose“Is the dose actually effective?”Dose fit 69

4 of 4 dosed ingredients land in the studied range. Bacopa Monnieri at 300 mg lands inside the studied 300-600 mg window.

Bacopa Monnieri

Studied window 300-600 mg · this pick 300 mg

Huperzine A

Studied window 50-200 mcg · this pick 100 mcg

Phosphatidylserine

Studied window 100-300 mg · this pick 100 mg

500 mg
500 mcg
The ranking“Why should I trust this pick?”Trust 30

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.

  • 4,053 products scored
  • Never paid placement
  • Evidence level: Strong · 85
  • 363 brands
  • 24 ingredients
See the full analysis — every score, every productHow the ranking works
The price“Can I do better than $0.76 a serving?”Value 46

$0.76 per serving — high price tier for this outcome. The cheapest ranked pick here is $0.08 per serving.

  • 2
    Nutricost, Huperzine-A, 200 mcg , 240 CapsulesScore 85 · $0.08/serving
    iHerb
  • 8
    California Gold Nutrition, Bacopa Extract, 320 mg, 120 Veggie CapsulesScore 85 · $0.21/serving
    iHerb

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.

Ready?

The #1 pick is $0.76 a serving.

Vitacost, Synergy®, Cognitive Support, 60 Capsules — in stock at a tracked retailer.

View on iHerb
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Vitacost, Synergy®, Cognitive Support, 60 Capsules ranks #1 for Memory with a DoseRank score of 85. The score blends clinical strength, evidence, dose fit, trust signals and value across 4,053 products scored for this outcome.

Bacopa Monnieri and Huperzine A lead the evidence here, backed by Phosphatidylserine and Ginkgo Biloba.

4 of 4 dosed ingredients land in the studied range. Bacopa Monnieri at 300 mg lands inside the studied 300-600 mg window. DoseRank scores this product's dose fit at 69 out of 100.

Vitacost, Synergy®, Cognitive Support, 60 Capsules works out at $0.76 per serving. $0.76 per serving — high price tier for this outcome. The cheapest ranked pick here is $0.08 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.

Use rankings as research support

DoseRank rankings are informational and not medical advice. If you are pregnant, breastfeeding, using medications, or managing a health condition, ask a qualified clinician whether a supplement fits your situation. Stop use and report concerning adverse events to a clinician, the product maker, or the retailer.

Disclosure

Retailer links may be affiliate links. Rankings and placement are not paid placement.

Vitacost, Synergy®, Cognitive Support, 60 Capsules

$0.76/serving · In stock

60-sec quizView on iHerb