What Is Yu Sleep?
Yu Sleep is a liquid dietary supplement marketed for nighttime sleep support. The product is supplied in a dropper bottle and is promoted around relaxation, sleep onset, nighttime rest and a more consistent bedtime routine. Current seller materials describe the formula as a liquid, nano-enhanced product, while the supplied Supplement Facts panel provides the clearest product-specific information about the serving size and listed nutrients.
For this guide, the supplied product label is treated as the primary reference for the current formula. That matters because several online Yu Sleep pages use different ingredient descriptions, marketing language or older-looking information. The label supplied for this page lists 2 mL (2 full droppers) per serving, approximately 30 servings per bottle, 0.9 mg of melatonin, two B vitamins and a 637 mg proprietary blend containing seven additional ingredients.
Yu Sleep: Ingredients & Supplement Facts
The supplied Supplement Facts image is especially useful because it gives a product-specific snapshot rather than relying on ingredient lists copied across third-party pages. It lists the serving size, two vitamins, melatonin and a proprietary blend. Because the seven blend ingredients are grouped together, their individual amounts are not disclosed on the supplied panel.
| Listed component | Amount per 2 mL serving | What the label tells us |
|---|---|---|
| Vitamin B2 (Riboflavin 5-phosphate) | 0.5 mg | 38% Daily Value is shown on the supplied label. |
| Vitamin B6 (Pyridoxal 5 Phosphate) | 0.5 mg | 29% Daily Value is shown on the supplied label. |
| Melatonin | 0.9 mg | Daily Value is not established. |
| Proprietary blend | 637 mg | The total blend amount is disclosed, but the individual amounts are not. |
Proprietary blend ingredients: Red Tart Cherry Juice Concentrate, Magnesium Glycinate, Apigenin, Lemon Balm Extract, 5-HTP (Griffonia seed extract), L-Theanine and GABA.
Other ingredients shown on the supplied label: Distilled Water, Glycerin, Medium Invert Syrup, Citric Acid, Erythritol, Sodium Citrate Dihydrate, Natural Flavors, Gum Arabic, Xanthan Gum and Potassium Sorbate. The label notes citric acid, sodium citrate dihydrate and potassium sorbate in connection with freshness/preservation.
Yu Sleep: How the Ingredients Fit the Formula
The formula combines a sleep-timing ingredient, calming compounds, a mineral, botanicals and B vitamins. The practical question is not simply whether each ingredient has appeared in sleep research; it is whether the specific ingredient, dose, combination and finished product have enough evidence to support a particular claim.
Melatonin — 0.9 mg
Melatonin is a hormone involved in the timing of the body's circadian rhythm. The label lists 0.9 mg per serving. Research supports some uses of melatonin, particularly around circadian timing, but evidence varies by sleep problem and long-term safety information is more limited.
Red Tart Cherry Juice Concentrate
Tart cherry is included as a botanical component of the proprietary blend. Seller materials associate tart cherry with sleep-wake support, but the amount in Yu Sleep is not individually disclosed on the supplied label, so ingredient-level study results cannot be directly mapped to this product's dose.
Magnesium Glycinate
Magnesium is an essential mineral involved in many body processes, including normal nerve and muscle function. The product label does not disclose the individual magnesium dose within the 637 mg proprietary blend, so the amount of magnesium supplied by Yu Sleep cannot be calculated from the label alone.
Apigenin
Apigenin is a naturally occurring plant compound commonly discussed in relation to relaxation and sleep. Yu Sleep includes it in the proprietary blend, but its individual quantity is not disclosed on the supplied Supplement Facts panel.
Lemon Balm Extract
Lemon balm is traditionally used for relaxation. Seller materials position it as part of the calming side of the formula. The proprietary blend format means the exact amount in this product is not available from the supplied label.
5-HTP
5-HTP is a precursor involved in serotonin production. It is included in Yu Sleep's proprietary blend, but evidence for 5-HTP specifically for insomnia is limited. It also deserves medication-interaction consideration because it can affect serotonin pathways.
L-Theanine
L-theanine is an amino acid found naturally in tea. It is commonly studied for relaxation and calmness. Its presence may explain why the product is positioned as a wind-down formula, but the Yu Sleep label does not disclose its individual amount.
GABA
GABA is an inhibitory neurotransmitter involved in nervous-system signaling. It is included in the proprietary blend. The presence of GABA alone does not establish that an oral supplement will produce a clinically meaningful sleep effect.
Vitamin B2
The supplied label lists 0.5 mg of riboflavin 5-phosphate, providing 38% of the Daily Value. B2 is an essential vitamin involved in normal energy metabolism and cellular processes.
Vitamin B6
The supplied label lists 0.5 mg of pyridoxal 5-phosphate, providing 29% of the Daily Value. B6 is involved in numerous biochemical reactions, including pathways related to neurotransmitter metabolism.
Yu Sleep: What Benefits Does It Potentially Support?
Yu Sleep is marketed around several practical sleep goals. A useful guide should explain those goals without turning marketing language into guaranteed outcomes. Based on the formula and the seller's positioning, the potential areas of interest are bedtime relaxation, sleep-onset support, circadian timing and a simpler nightly routine.
| Potential benefit area | Why Yu Sleep is positioned around it | How to interpret the claim |
|---|---|---|
| Bedtime relaxation | L-theanine, lemon balm, GABA and apigenin are included in the formula and are commonly associated with calming or relaxation discussions. | This explains the formula's design, but it does not prove that the finished product reduces anxiety or stress. |
| Sleep-onset support | Melatonin is a sleep-timing hormone, and the seller positions the liquid formula for use before bed. | Melatonin has evidence for some sleep and circadian applications, but evidence is not the same for every sleep condition. |
| Sleep-wake timing | Melatonin and tart cherry are promoted as supporting the sleep-wake cycle. | Circadian effects depend on timing, dose and the underlying sleep issue; more is not automatically better. |
| Nighttime routine | The two-dropper liquid format is designed to be taken shortly before bedtime. | A simple routine may improve consistency, but the product should complement—not replace—healthy sleep habits. |
| Morning experience | Seller pages promote waking refreshed and avoiding grogginess. | These are marketing claims. Individual responses can vary, and melatonin can cause drowsiness in some people. |
Yu Sleep: What Does the Research Say?
Melatonin has the strongest direct research connection to sleep timing among the listed ingredients. NCCIH explains that melatonin is a hormone produced in response to darkness and helps regulate circadian rhythms. Research suggests it can be useful for some conditions, including jet lag and delayed sleep-wake phase disorder, while evidence for chronic insomnia is not strong enough for some major clinical guidelines to recommend it as a treatment. NCCIH
A 2026 scoping review of systematic reviews examined a large body of melatonin evidence and found that most meta-analyses favored melatonin over inactive comparators, while also noting substantial variation in methods and outcomes. A separate systematic review and meta-analysis of randomized controlled trials found an improvement in sleep quality but also reported high heterogeneity. These findings support continued interest in melatonin, but they do not validate every formulation or every sleep claim. PubMed 2026 · PubMed 2022
Formulation and dose also matter. A systematic review of melatonin pharmacokinetics concluded that formulation and dose can change how melatonin is absorbed and handled by the body, and the available evidence was not sufficient to recommend a specific formulation for a specific sleep disorder. This is relevant to Yu Sleep because it is marketed as a liquid product. PubMed pharmacokinetics review
NCCIH also notes that evidence for 5-HTP in insomnia is very limited. Magnesium is an essential nutrient, but the amount supplied by Yu Sleep cannot be determined because magnesium is part of a proprietary blend. NIH's Office of Dietary Supplements also notes that magnesium supplements can interact with some medicines. NIH ODS
Pros and Cons
The following points summarize practical features a buyer can verify from the supplied label, product materials and current offer information. They are not a rating or overall verdict.
Pros
- The supplied label provides a clear 2 mL serving size and approximately 30 servings per bottle.
- The formula includes 0.9 mg of melatonin rather than leaving the melatonin amount unspecified.
- The product combines multiple ingredient categories instead of relying on melatonin alone.
- The liquid dropper format may be convenient for people who prefer a liquid supplement.
- The offer materials include a 60-day money-back guarantee, subject to the seller's current terms.
Cons
- Seven ingredients are grouped into a 637 mg proprietary blend, so their individual amounts are not disclosed.
- The sources reviewed did not establish a product-specific clinical trial proving the full Yu Sleep formula's advertised sleep outcomes.
How to Take Yu Sleep
The supplied Supplement Facts panel lists a 2 mL serving size, equal to 2 full droppers. Current seller information instructs users to take the serving about 30 minutes before bedtime. Use the label on the bottle you receive as the controlling instruction if the directions change.
Safety, Side Effects & Buying Considerations
“Natural” does not automatically mean risk-free. Yu Sleep contains melatonin and 5-HTP, and its formula also includes several botanicals and magnesium. Anyone taking medication or managing a health condition should review the complete label with a healthcare professional before use.
| Consideration | What to know |
|---|---|
| Melatonin | NCCIH reports that short-term use appears safe for many people, but long-term safety information is limited. Possible side effects include sleepiness, headache, dizziness and nausea. Melatonin can interact with medicines. |
| 5-HTP | Evidence for insomnia is limited. Because 5-HTP participates in serotonin pathways, people taking medicines that affect serotonin should ask a healthcare professional before using it. |
| Magnesium | Magnesium is an essential mineral, but the individual dose in Yu Sleep is not disclosed. NIH notes that magnesium supplements can interact with some medicines. |
| Pregnancy or breastfeeding | Do not assume the formula is appropriate. Consult a healthcare professional before using melatonin-containing or multi-ingredient supplements. |
| Persistent sleep problems | Ongoing insomnia, loud snoring, breathing pauses, severe daytime sleepiness or repeated nighttime waking may warrant evaluation for an underlying sleep disorder. |
HealthyFitsMe does not present Yu Sleep as a treatment or cure for insomnia, sleep apnea, anxiety, depression or another medical condition.
Quality informationManufacturing & Product Quality Information
Seller-provided materials describe Yu Sleep as made in the USA and manufactured under GMP-related standards. Those statements are included here as seller claims, not as independent certification findings. A manufacturing or facility registration statement should also not be confused with FDA approval of a dietary supplement.
Made in USA claim
Shown in the supplied product materials. Verify current manufacturing details with the seller.
GMP-related claim
Seller materials describe GMP manufacturing; this is not equivalent to FDA approval of the finished supplement.
Natural-product claim
Marketing language supplied with the product. Natural status alone does not establish effectiveness or safety.
Customer Feedback & Buying Considerations
Online pages about Yu Sleep often repeat customer testimonials, fast-results language and “verified purchase” style statements. Those claims should be treated as marketing or anecdotal evidence unless independently verified. The customer-style images supplied for this page are therefore shown only as examples of product presentation.
Seller-provided customer image. Not independently verified.
Seller-provided customer image. Not independently verified.
Seller-provided customer image. Not independently verified.
Complaints: The sources reviewed did not provide a standardized, independently verified complaint database that could establish a typical complaint rate or typical customer outcome. For that reason, HealthyFitsMe does not invent a complaint percentage, star rating or satisfaction score.
Price, Packages, Bonuses & Where to Buy
The latest package information supplied for this page shows three purchase options. These are promotional prices supplied by the seller and may change. The final checkout page should always be treated as the current source for price, shipping and package terms.
2 Month Supply
2 bottles; $138 total shown in the supplied package information, plus shipping.
Visit Official Website
6 Month Supply
6 bottles; $294 total shown in the supplied package information. Free shipping and free bonuses are shown.
Visit Official Website
3 Month Supply
3 bottles; $177 total shown in the supplied package information. Free shipping and free bonuses are shown.
Visit Official WebsiteWhat Bonuses Are Included?
The supplied offer materials show three digital bonuses. These should be understood as promotional educational materials, not as clinical evidence that Yu Sleep works. Their descriptions below are intentionally limited to the topics shown on the supplied bonus covers.
Popular Bedtime Snacks That Trigger 3 AM Wakeups & Racing Thoughts
A bedtime-food guide focused on common snack choices and habits that may interfere with a calm nighttime routine. The bonus is educational/promotional material and is not a clinical treatment guide.
Younger and Happier While You Sleep
A sleep-routine and wellness-focused guide presented around overnight habits, mood and feeling refreshed. Promotional claims on the cover are not treated as evidence that Yu Sleep reverses aging.
The Wind Down Routine
A bedtime wind-down resource built around calming stories and relaxation before sleep. It can be viewed as a routine-support resource rather than evidence for the supplement itself.
60-Day Money-Back Guarantee
60-Day Money-Back Guarantee
The supplied offer materials advertise a 60-day money-back guarantee. Guarantee eligibility, refund steps and other conditions should be verified on the current seller checkout and refund-policy pages before purchase.
Try It Risk-Free TodayWhere to Buy Yu Sleep
The product information supplied for this page directs buyers to the Yu Sleep offer through the provided affiliate link. HealthyFitsMe may earn a commission if a purchase is completed through that link. Before ordering, compare the current checkout price with the package information shown above and review shipping, refund and bonus terms.
FAQFrequently Asked Questions About Yu Sleep
What is Yu Sleep?
Yu Sleep is marketed as a liquid dietary supplement for nighttime sleep support. The supplied label lists melatonin, two B vitamins and a proprietary blend of seven additional ingredients.
What are the ingredients in Yu Sleep?
The supplied label lists vitamin B2, vitamin B6, melatonin and a 637 mg proprietary blend containing red tart cherry juice concentrate, magnesium glycinate, apigenin, lemon balm extract, 5-HTP, L-theanine and GABA.
How much melatonin does it contain?
The supplied Supplement Facts panel lists 0.9 mg of melatonin per 2 mL serving. Check the bottle you receive because supplement labels can change.
How should it be taken?
The supplied label lists 2 mL, or two full droppers, as one serving. Current seller information says to take it about 30 minutes before bedtime. Follow the current product label if it differs.
Can it treat insomnia?
HealthyFitsMe does not present Yu Sleep as a treatment or cure for insomnia. Evidence for melatonin varies by sleep condition, and the sources reviewed did not establish the finished formula as an insomnia treatment.
Is Yu Sleep FDA approved?
HealthyFitsMe does not describe Yu Sleep as FDA-approved. A seller-provided promotional graphic is not treated as evidence that the dietary supplement itself has been approved by the FDA for safety or effectiveness.
Can it be taken with medications?
Do not assume compatibility. Because the formula contains melatonin and 5-HTP, people taking medication or managing a health condition should discuss the complete ingredient list with a healthcare professional.
How much does it cost?
The supplied package information shows $69 per bottle in the 2-bottle package, $59 per bottle in the 3-bottle package and $49 per bottle in the 6-bottle package. Prices, shipping and promotions can change.
See the Current Yu Sleep Package Options
Review the available package sizes, formula details, evidence, safety information, bonuses and guarantee terms before deciding whether Yu Sleep fits your needs.
VIEW THE CURRENT YU SLEEP OFFER →6-BOTTLEPACKAGE