NOW Ultra Omega-3
Brand: NOW · Form: SOFTGEL CAPSULE [E0161] On Market
Our assessment
The evidence shows that calcium is a foundational mineral for bone health, but our assessment of the data indicates that supplementation requires careful attention to dosage and timing. Based on the information provided, calcium supports bone mineralization and neuromuscular function [NIH ODS]. However, the data on optimal dosing for the general population is not available in the provided materials, so we rely on the established safety information.
How it works
Think of calcium as a structural building block for your skeleton and a signal conductor for your nerves and muscles. It supports bone density through mineral deposition and helps your muscles relax and your nerves transmit signals properly [NIH ODS]. This dual role makes it essential for daily function, from a steady heartbeat to strong bones.
Safety profile
The FDA has received 592,059 adverse event reports across all supplement categories. For calcium specifically, the data warns that high intakes might increase the risk of heart disease and prostate cancer [NIH ODS]. Side effects from excessively high blood and urine levels include 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]. Additionally, calcium can reduce the absorption of medications such as bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS].
Our recommendation
Our recommendation is to prioritize getting calcium from food sources first. If you choose to supplement, be aware of the potential interactions with medications and the risks associated with high doses [NIH ODS]. Data on the optimal daily dosage from the provided sources is not available, so we advise consulting your healthcare provider to determine if supplementation is appropriate for you based on your diet and health status.
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | NOW |
|---|---|
| Serving Size | |
| Contents | 90.0 Softgel(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