NOW Red Mineral Algae
Brand: NOW · Form: CAPSULE [E0159]
Our assessment
The evidence shows that NOW Red Mineral Algae is a source of calcium, which is a mineral essential for bone health. Our assessment is that this supplement can be an effective way to meet your calcium needs, but you must be aware of the potential risks and interactions. The data confirms that calcium supports bone mineralization and neuromuscular relaxation [NIH ODS].
How it works
Think of calcium as a key building block for your skeleton. It works by supporting bone density and mineral deposition, which helps keep your bones strong. Calcium is also critical for muscle relaxation and proper nerve signaling throughout your body [NIH ODS].
Safety profile
FDA received 592,059 total adverse event reports across all supplement categories. For calcium specifically, high intakes might increase the risk of heart disease and prostate cancer. Very 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] [FDA data]. You should also know that calcium can reduce the absorption of several medications, including bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS].
Our recommendation
If you choose to take NOW Red Mineral Algae, start with a moderate dose and do not exceed the recommended daily intake without consulting your healthcare provider. Be sure to take it separately from any medications you may be using, especially those listed in the safety section. Data not available on specific dosage recommendations for this product. Talk to your doctor about whether a calcium supplement is right for you based on your diet and health history [NIH ODS].
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | NOW |
|---|---|
| Serving Size | |
| Contents | 180.0 Veg 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