Rainbow Light Everyday Fiber System Powder
Brand: Rainbow Light · Form: POWDER [E0162] On Market
Our assessment
The evidence shows that Rainbow Light Everyday Fiber System Powder contains calcium, a mineral with well-documented roles in bone health. Our assessment is that for most people, this product can be a convenient way to increase fiber intake, but you should be aware of the specific risks and interactions associated with calcium supplementation. Data not available for other ingredient-specific effects from the provided information.
How it works
Think of calcium as a structural building block for your skeleton. It supports bone density and mineral deposition through a process called bone mineralization [NIH ODS]. Additionally, calcium is essential for neuromuscular relaxation, meaning it helps your muscles relax and your nerves signal properly after they contract [NIH ODS]. This is why adequate calcium intake is critical for overall bodily function, not just strong bones.
Safety profile
FDA has received a total of 592,059 adverse event reports across all dietary supplements, though specific counts for this product are not available in the data. Regarding calcium, some research suggests that high intakes might increase the risk of heart disease and prostate cancer [NIH ODS]. High levels of calcium in the blood and urine can cause poor muscle tone, poor kidney function, low phosphate levels, constipation, nausea, weight loss, extreme tiredness, frequent need to urinate, abnormal heart rhythms, and a high risk of death from heart disease [NIH ODS].
Our recommendation
Our recommendation is to use this product as a fiber supplement, but be mindful of your total daily calcium intake from all sources, including food and other supplements. Calcium can reduce the absorption of several medications, including bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS]. If you take any of these medications, take this supplement at least two hours apart from your medication dose. Start with a small serving to assess your tolerance, and consult your healthcare provider to ensure this product fits your overall health needs.
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Rainbow Light |
|---|---|
| Serving Size | |
| Contents | 8.8 oz. 252.0 Gram(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