Juna Nightcap Sleep Gummies Review 2026: Worth the Price?
HypeCheck's analysis of Juna Nightcap Sleep Gummies rates it 4/10 on the hype scale with a verdict of Mostly Legit. Juna Nightcap is a reasonably formulated sleep supplement with plant-based ingredients and a science-backed microdose melatonin approach, but it suffers from critical transparency gaps: the actual...
Hype Score
0 = legit, 10 = all hype
"It's a plant-based sleep gummy with melatonin (from St. John's Wort), passionflower, tart cherry, chamomile, and magnesium—a multi-ingredient herbal blend."
Claims vs Evidence
MODEST3 of 6 claims supported by evidence.
"supports a restful night's sleep"
Partial
Some ingredients have weak-to-moderate sleep evidence; microdose melatonin is supported.
Based on: phytomelatonin, passionflower, tart cherry, chamomile, magnesium
"supports evening relaxation and calm"
Partial
Passionflower and chamomile have modest evidence; GABA oral bioavailability is questionable.
Based on: passionflower, chamomile, GABA, L-tryptophan
"waking up refreshed"
Stretch
Low-dose melatonin may reduce grogginess vs. high-dose, but 'refreshed' is subjective.
Based on: phytomelatonin
"healthy sleep-wake cycles"
Supported
Melatonin regulates circadian rhythm; microdose approach is evidence-based.
Based on: phytomelatonin
"non-habit forming"
Supported
Melatonin is not addictive; low-dose approach further reduces dependence risk.
Based on: phytomelatonin
"0.3 mg melatonin is optimal dose (per MIT study)"
Supported
MIT research supports low-dose melatonin; however, actual dose per gummy not clearly stated.
Based on: phytomelatonin
3 supported · 2 partial · 1 stretch
Ingredients
Based on peer-reviewed research from PubMed and Examine.com
Antioxidant-rich fruit extract. Early evidence for reducing exercise soreness and inflammation, but human data is very limited.
Research-backed dose: 500 mg daily (limited data; no established optimal range)
In this product: Dose not disclosed
Brain's main calming chemical. Oral supplements have poor absorption; evidence for direct benefits is very limited.
Research-backed dose: No established dose from provided studies
In this product: Dose not disclosed
Essential mineral with clinical support for blood sugar, mood, and pain management in specific populations.
Research-backed dose: 250-360 mg elemental magnesium daily based on study doses
In this product: Dose not disclosed
Phytomelatonin (from St. John's Wort)
Natural sleep hormone. Clinically shown to improve sleep quality and reduce some inflammation-related symptoms.
Research-backed dose: 0.3–10 mg daily depending on use case
In this product: not specified (marketing says 'microdose' but exact amount hidden)
Herbal flower extract with clinical evidence for easing menopause symptoms, menstrual pain, and nerve discomfort.
Research-backed dose: 400-1600 mg/day oral (standardized to 1.2% apigenin); topical oil also studied
In this product: Dose not disclosed
Hops plant extract. Early evidence for sleep support and anti-inflammatory effects, but research is still limited.
Research-backed dose: No established dose from provided studies alone; 15 mg iso-alpha acids (single dose) and 24 mg/day xanthohumol used in trials
In this product: Dose not disclosed
Brain's main calming chemical. Oral supplements have poor absorption; evidence for direct benefits is very limited.
Research-backed dose: No established dose from provided studies
In this product: Dose not disclosed
Essential amino acid; early research suggests gut hormone and appetite effects, but human evidence is limited.
Research-backed dose: No established dose from provided studies for oral supplementation
In this product: Dose not disclosed
Herbal plant with mild sleep and anxiety benefits in small studies. Often combined with other herbs.
Research-backed dose: No established dose from provided studies
In this product: Dose not disclosed
Rare low-calorie sugar that may help manage blood sugar and reduce calorie intake.
Research-backed dose: 5-15 g per serving (general knowledge; no study data provided)
In this product: Dose not disclosed
FiberSMART® Tapioca Syrup
Starchy food ingredient; modified forms (resistant maltodextrin) may modestly support blood sugar control.
Research-backed dose: No established dose from provided studies for general use; 15–30% TRM replacement in ONS formulations studied
In this product: Dose not disclosed
Soluble plant fiber with prebiotic potential; most human evidence is preliminary or indirect.
Research-backed dose: No established dose from provided studies
In this product: Dose not disclosed
Cherry Powder
Antioxidant-rich fruit extract. Early evidence for reducing exercise soreness and inflammation, but human data is very limited.
Research-backed dose: 500 mg daily (limited data; no established optimal range)
In this product: Dose not disclosed
Organic acid found in fruit. Limited evidence for dry mouth relief; most other health claims lack solid human trial support.
Research-backed dose: No established dose from provided studies for general use; 400 mg used in one combination study; 1% topical spray for dry mouth
In this product: Dose not disclosed
Natural Colors (from Beets and Carrots)
Whole food vegetable. Carrot-derived fiber may support gut bacteria, but human evidence is very limited.
Research-backed dose: No established dose from provided studies
In this product: Dose not disclosed
Pecmate®
Amino acid combo marketed for pumps and endurance. Evidence for performance gains is mixed and often disappointing.
Research-backed dose: 6-8 g daily based on study doses
In this product: Dose not disclosed
phytomelatonin
Natural sleep hormone. Clinically shown to improve sleep quality and reduce some inflammation-related symptoms.
Research-backed dose: 0.3–10 mg daily depending on use case
In this product: Dose not disclosed
Herbal plant with mild sleep and anxiety benefits in small studies. Often combined with other herbs.
Research-backed dose: No established dose from provided studies
In this product: Dose not disclosed
Polyphenol-rich fruit with moderate evidence for recovery and uric acid support; sleep and sprint benefits are mixed.
Research-backed dose: 480 mg powder or 60-90 mL juice daily for 7-14 days (per ISSN position)
In this product: Dose not disclosed
Herbal flower extract with clinical evidence for easing menopause symptoms, menstrual pain, and nerve discomfort.
Research-backed dose: 400-1600 mg/day oral (standardized to 1.2% apigenin); topical oil also studied
In this product: Dose not disclosed
Essential mineral with clinical support for blood sugar, mood, and pain management in specific populations.
Research-backed dose: 250-360 mg elemental magnesium daily based on study doses
In this product: Dose not disclosed
Price & Value
Extreme MarkupJuna Nightcap Sleep Gummies
$42.00
Olly Sleep Gummies or Nature's Bounty Sleep Gummies
~$15-20 for 30 gummies ($0.50-0.67/gummy)
Signals
- Shows actual ingredient doses
Research sources: PubMed · Examine.com
Analyzed product: https://juna-world.com/products/nightcap-sleep-gummies
Analysis generated: 2026-04-09 · Engine v1.0.0