Sundown Naturals Probiotic Balance
Brand: Sundown Naturals · Form: CAPSULE [E0159]
Our assessment
The evidence shows that Sundown Naturals Probiotic Balance is a supplement containing calcium, not a probiotic. This is a critical distinction you need to be aware of. Our assessment: based on the data provided, this product should be evaluated for its calcium content and potential effects on bone health, not for gut or digestive support. The label information is limited to "See label," which means you must check the bottle for the exact probiotic strains or other ingredients, as those are not detailed in the data we have.
How it works
Think of calcium as a structural building block for your skeleton. The data confirms that calcium supports bone mineralization and density, and it also plays a role in neuromuscular relaxation and nerve signaling [NIH ODS]. This means it helps your bones stay strong and your muscles relax properly after contracting. Because this product contains calcium, you would be taking it primarily for these skeletal and muscular functions, not for balancing your gut microbiome.
Safety profile
The FDA received a total of 592,059 adverse event reports across all supplements, but specific report counts for this product are not available in the data. Regarding the calcium ingredient, the data shows 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]. You should also be aware that calcium can reduce the absorption of several medications, including bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS]. Side effects for this specific product are not provided in the FDA data.
Our recommendation
Our recommendation is to proceed with caution. First, check the product label to confirm the exact amount of calcium per serving and to see if any probiotic strains are actually listed. If you are taking this for bone health, ensure your total daily calcium intake from all sources (food and supplements) does not exceed the tolerable upper intake level. If you take any of the medications listed above (e.g., thyroid medication, antibiotics), separate your calcium supplement by at least 2 hours. Because the data does not confirm the presence of any probiotic strains, we cannot recommend this product for digestive or immune support. For specific questions about your health, consult your doctor or a registered dietitian.
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Sundown Naturals |
|---|---|
| Serving Size | |
| Contents | 30.0 Capsule(s) |
| Market Status | Off 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