NOW Elderberry & Zinc
Brand: NOW · Form: LOZENGE [E0174] On Market
Our assessment
The evidence shows that NOW Elderberry & Zinc is a combination product, and we must evaluate each ingredient separately using the data provided. For the ingredient calcium, the data shows it supports bone mineralization and neuromuscular relaxation [NIH ODS]. However, this product is labeled as Elderberry & Zinc, and the specific amounts of calcium are not detailed in the data provided. Our assessment is that while calcium is a well-studied mineral, the benefits of this specific product depend on the exact dosage, which is "Data not available" from the provided information.
How it works
Think of calcium as a structural building block and a cellular messenger. It supports bone density by aiding mineral deposition into your skeleton, and it helps your muscles relax and your nerves signal properly [NIH ODS]. These functions are essential for everyday movement and overall health.
Safety profile
The FDA has received a total of 592,059 adverse event reports across all supplements, though specific report counts for this product are "Data not available." For calcium specifically, high intakes may increase the risk of heart disease and prostate cancer [NIH ODS]. Very high levels in the blood can cause poor muscle tone, poor kidney function, low phosphate levels, constipation, nausea, weight loss, extreme tiredness, frequent urination, abnormal heart rhythms, and a high risk of death from heart disease [NIH ODS]. Calcium can also reduce the absorption of medications like bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS].
Our recommendation
Because the exact amounts of elderberry and zinc are not specified in the data provided, we cannot make a precise dosage recommendation. If you choose to take this product, be aware of calcium's potential risks and medication interactions [NIH ODS]. For a general audience, we recommend consulting with your healthcare provider to determine if this specific supplement meets your individual needs, as "Data not available" for the complete ingredient profile prevents a confident, universal recommendation.
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | NOW |
|---|---|
| Serving Size | |
| Contents | 90.0 Lozenge(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