Douglas Laboratories Multi-Probiotic 4000
Brand: Douglas Laboratories · Form: CAPSULE [E0159] On Market
Our assessment
The evidence shows that Douglas Laboratories Multi-Probiotic 4000 contains calcium, which plays a critical role in bone health. For you, this means supporting bone density and mineral deposition, as well as aiding in muscle relaxation and nerve signaling [NIH ODS]. However, we must be precise: the data provided does not list the specific probiotic strains or their colony-forming units (CFUs) for this product, so we cannot assess the probiotic benefits directly.
How it works
Think of calcium as a structural building block for your bones and a key signaling molecule for your nerves and muscles. It supports bone mineralization to maintain skeletal strength and helps your neuromuscular system function properly by facilitating muscle relaxation and nerve transmission [NIH ODS]. The probiotic component’s mechanism is not detailed in the available data.
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 specifically, high intakes might increase the risk of heart disease and prostate cancer. High levels 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]. Calcium can also reduce the absorption of bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS].
Our recommendation
We recommend you take this product only if you have a confirmed need for calcium supplementation, such as a dietary shortfall. Start with one capsule daily and take it with food to enhance absorption. Separate it from thyroid medication or antibiotics by at least two hours [NIH ODS]. Since the probiotic specifics are not provided in the data, consult your healthcare provider to ensure this product meets your individual health needs. Data on exact calcium dosage per serving is not available.
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Douglas Laboratories |
|---|---|
| Serving Size | |
| Contents | 100.0 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