Enzyme Science Flex-Mend
Brand: Enzyme Science · Form: CAPSULE [E0159] On Market
Our assessment
The evidence shows that the primary active ingredient in Flex-Mend is calcium, which supports bone health and neuromuscular function. However, this product is not a comprehensive joint health formula, and the data does not support it as a treatment for arthritis or joint pain beyond general bone support [NIH ODS].
How it works
Calcium works as a master regulator for your bones and muscles. It supports bone density through mineralization and helps your nerves and muscles relax properly after contraction [NIH ODS]. For you, this means calcium plays a supportive role in maintaining strong bones, which is foundational for joint health, but it does not directly target cartilage or inflammation in the joints.
Safety profile
Based on FDA adverse event data, there were 592,059 total reports across all supplements, but specific report counts for Flex-Mend are not available. For calcium specifically, high intakes can increase the risk of heart disease and prostate cancer. Side effects of high calcium levels include 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
We recommend you get your calcium from food first, as the data shows supplements carry risks at high doses. If you choose this product, limit total calcium intake to 600 IU daily from supplements and ensure you are not taking other calcium-containing products. Always consult your doctor before starting, especially if you take prescription medications [NIH ODS].
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Enzyme Science |
|---|---|
| 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