Barlean's Lignan Omega Twin
Brand: Barlean's · Form: CAPSULE [E0159] On Market
Our assessment
The evidence shows that Barlean's Lignan Omega Twin is a dietary supplement, but our analysis focuses on the primary active ingredient listed in the provided data: calcium. For a general audience seeking bone and heart health support, calcium can be beneficial, but the data reveals important caveats. You should approach this product with a clear understanding of both its potential benefits and its documented risks [NIH ODS].
How it works
Think of calcium as a structural builder and a nerve regulator. It supports bone density and mineral deposition, which is essential for keeping your skeleton strong. At the same time, it plays a critical role in neuromuscular relaxation, helping your muscles relax and your nerves signal properly after activity [NIH ODS].
Safety profile
Data not available for Barlean's Lignan Omega Twin specifically. However, based on FDA adverse event data for supplements in general, there are 592,059 total reports. For calcium specifically, high intakes might increase the risk of heart disease and prostate cancer. Side effects from high 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] [FDA data].
Our recommendation
We recommend you proceed with caution. If you are taking any medications, note that calcium can reduce the absorption of bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS]. Given the potential for serious side effects, do not exceed the recommended daily intake without consulting your healthcare provider. Start with a food-first approach and use supplements only to fill a verified gap [NIH ODS].
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Barlean's |
|---|---|
| Serving Size | |
| Contents | 120.0 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