LifeSeasons Rest-ZZZ Melatonin-Free
Brand: LifeSeasons · Form: CAPSULE [E0159] On Market
Our assessment
The evidence shows that LifeSeasons Rest-ZZZ Melatonin-Free is marketed as a sleep aid, but the only ingredient data provided is for calcium. Our assessment: this product relies on calcium as a primary active ingredient for sleep support. While calcium plays a role in neuromuscular relaxation, the specific formulation for sleep is not supported by the data available here [NIH ODS].
How it works
Calcium supports neuromuscular relaxation and nerve signaling, which can theoretically help your body prepare for rest [NIH ODS]. Think of it as a mineral that helps your muscles and nerves communicate smoothly, potentially aiding in the transition to sleep. However, the data provided does not include any studies specifically testing this product or its calcium content for sleep quality or duration.
Safety profile
FDA received 592,059 total adverse event reports across all supplements, but specific report counts for this product are not available. For calcium, side effects from high intakes include constipation, nausea, weight loss, extreme tiredness, abnormal heart rhythms, and a high risk of death from heart disease [FDA data] [NIH ODS]. High calcium intakes might also increase the risk of heart disease and prostate cancer [NIH ODS]. Calcium can reduce the absorption of medications such as bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS].
Our recommendation
We cannot recommend LifeSeasons Rest-ZZZ Melatonin-Free based on the data provided. The evidence for calcium as a sleep aid is limited, and the safety risks from excessive intake are serious. Data not available to confirm this product's effectiveness for sleep. For better alternatives, consult your healthcare provider about supplements with stronger clinical support for sleep, such as magnesium or melatonin, if appropriate for you [NIH ODS].
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | LifeSeasons |
|---|---|
| Serving Size | |
| Contents | 60.0 Vegetarian Capsule(s) |
| Market Status | On Market |
How to Read This Label
Supplement labels contain several key sections regulated by the FDA:
- Serving Size — The recommended amount per dose. Always check this — some products require multiple capsules per serving.
- Amount Per Serving — Shows the quantity of each nutrient in the product, typically in IU (International Units), mg (milligrams), or mcg (micrograms).
- % Daily Value (%DV) — Indicates how much a nutrient in a serving contributes to a daily diet. 5% DV or less is low; 20% DV or more is high.
- Other Ingredients — Lists inactive ingredients like fillers, binders, and capsule materials (e.g., gelatin, cellulose, magnesium stearate).
- Suggested Use — The manufacturer's recommended directions for taking the supplement, including timing and dosage.
Source: FDA Dietary Supplement Labeling Guide