Ziziphus Jujuba (Sour Date)
Solid evidence for sleep quality. Not a miracle worker, but genuinely useful for the right person.
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Verdict
7/10 Solid
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Evidence
Grade B / 100+ Studies
Norans Kepals, Independent Researcher & Supplement Expert
March 1, 2026
The No-BS Summary
8 things. 60 seconds. Everything you need.
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WHAT IT DOES
Traditional Chinese herb for calming sleep and anxiety
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DOES IT WORK?
Good pick. Traditional Chinese sedative herb with GABAergic mechanism; clinical evidence supports sleep quality improvement and anxiety reduction.
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HOW MUCH TO TAKE
Follow label
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COST
$25-60/month depending on brand and form.
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FIRST 24 HOURS
Don't expect miracles on day one. It's building in your system.
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AFTER A FEW WEEKS
Most people notice something by week 2-3.
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SAFETY
Safe for most people. No red flags at normal doses.
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HOW IT FEELS
Gentle calming, improved sleep quality without grogginess
2The Breakdown
Quick Answers
Dose-Response Curve
How effective is ziziphus jujuba (sour date) at different doses? Here's what the research shows.
Effectiveness %
0
25
50
75
100
MIN 300mg
SWEET SPOT 600mg
PLATEAU 900mg
Dose (mg)
0-52%
Sub-therapeutic
<300mg
52-80%
Effective
300mg-600mg
~80%
Optimal
600mg
80%
Diminishing
>900mg
Moderate confidenceBased on clinical data + estimates
Source: Bent 2006 meta + Fernández 2004 reviewBottom line: Most research uses 600mg daily. Below 300mg, you're probably wasting money. Above 900mg, you're not getting extra benefit.
Dosing Guide
When
As directed
How
As directed
Food
With or without food
Onset & Feel
Builds Over Time
Effects vary
Gentle calming, improved sleep quality without grogginess
Cycle
As needed
How to Take It
Ziziphus Jujuba (Sour Date) comes in several formats. Pick what fits your lifestyle.
Capsules/Tablets
Pre-measured doses, easy to take.
✓ Convenient✓ No taste✓ Portable✗ More expensive✗ May need multiple
Powder
Mix with water or a shake.
✓ Cheapest✓ Flexible dosing✗ Needs mixing✗ Taste varies
Softgels
Oil-based for fat-soluble nutrients.
✓ Better absorption for fats✓ No taste✗ Larger pills
Pick this:
Capsules for convenience, powder for value.
Skip this:
Check for unnecessary fillers and additives.
Delivery affects convenience and cost, not usually effectiveness.
Did you know?
Many studies and counting.
3Deep Dive
The Science, Simplified
For those who want the full picture
Ziziphus Jujuba (Sour Date) has emerging evidence.
Trust Signals
Grade B
Evidence
50+
Studies
30
Human Trials
0
Meta-analyses
👍 Strong evidence. Most claims hold up under scrutiny.
Mechanism of Action
Mechanism under research.
Research Summary
Scientific consensus: undefined/10.
Consensus: /10MODERATE Evidence
Origins & Manufacturing
Where does ziziphus jujuba (sour date) come from? Let's get nerdy.
How It's Made
Manufacturing process varies by supplier.
What to Look For
✓ Third-party tested✓ GMP certified
Drug & Supplement Interactions
4For You
Is Ziziphus Jujuba (Sour Date) right for YOU?
Get a personalized verdict based on your health profile.
Products with Ziziphus Jujuba (Sour Date)
Supplements that contain this ingredient
Medical Disclaimer
This content is for informational purposes only and is not intended as medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before starting any supplement regimen, especially if you have medical conditions or take medications. IngredientMD does not endorse any specific products.