MusclePharm Arnold Iron Pump Watermelon
Brand: MusclePharm · Form: POWDER [E0162] On Market
Our assessment
The evidence shows that MusclePharm Arnold Iron Pump Watermelon contains calcium as a key ingredient. For a general audience, we must be clear: this product is marketed as a pre-workout pump formula, not a primary calcium supplement. The data confirms that calcium supports bone mineralization and neuromuscular relaxation, which may aid muscle function during exercise [NIH ODS]. However, do not rely on this product for your daily calcium needs without checking the specific amount per serving on the label, as that data is not provided here.
How it works
Think of calcium as a master regulator for your muscles and nerves. It works by supporting bone density and mineral deposition, which provides a strong structural foundation for physical activity [NIH ODS]. Additionally, calcium facilitates neuromuscular relaxation and nerve signaling, meaning it helps your muscles contract and then relax properly during your workout [NIH ODS]. This mechanism is why calcium is included in a "pump" formula — to support the muscle function you rely on during intense exercise.
Safety profile
The FDA has received a total of 592,059 adverse event reports across all supplements, but specific report counts for this product are not available. For calcium itself, safety data shows that high intakes might increase the risk of heart disease and prostate cancer [NIH ODS]. 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]. Calcium can also reduce the absorption of several medications, including bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS].
Our recommendation
Proceed with caution. Check the label for the exact calcium content per serving — this data is not available here. If you are taking any medications listed in the interactions, take this product at least two hours apart from those medications [NIH ODS]. For general bone and muscle health, do not exceed the daily tolerable upper intake level for calcium from all sources combined. If you experience nausea, extreme tiredness, or abnormal heart rhythms, stop use and consult your healthcare provider. This product is not a substitute for a balanced diet or a dedicated calcium supplement.
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | MusclePharm |
|---|---|
| Serving Size | |
| Contents | 6.35 oz. 180.0 Gram(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