Product Label

MusclePharm Arnold Iron Whey Chocolate

Brand: MusclePharm · Form: POWDER [E0162] On Market

Our assessment

The evidence shows that MusclePharm Arnold Iron Whey Chocolate contains calcium, which supports bone mineralization and neuromuscular relaxation [NIH ODS]. However, we need to be clear: this product is a protein powder, and the data provided only covers the calcium content. There is no data on the protein quality, amino acid profile, or other ingredients. For general wellness, calcium is a helpful mineral, but you should not rely on this product as your primary calcium source unless your diet is low in dairy or fortified foods [NIH ODS].

How it works

Think of calcium as a structural builder and a nerve communicator. It helps deposit minerals into your bones for density and strength, and it supports muscle relaxation after contraction [NIH ODS]. If you use this whey protein as a post-workout shake, the calcium may assist your muscles in recovering properly by supporting nerve signaling [NIH ODS].

Safety profile

FDA has received 592,059 total adverse event reports across all supplement categories [FDA data]. For calcium specifically, high intakes may increase the risk of heart disease and prostate cancer. Very high blood and urine levels can cause poor muscle tone, poor kidney function, 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 absorption of bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS].

Our recommendation

Start by checking your total daily calcium intake from all sources — food and supplements. Most adults need 1,000 to 1,200 mg daily from diet [NIH ODS]. If this whey shake provides a small amount, it is safe. However, do not add extra calcium supplements without consulting your doctor, especially if you take thyroid medication or antibiotics. For most people, using this product as directed on the label is likely safe, but data on the full formulation is not available [NIH ODS] [FDA data].

AI-assisted analysis. Data sourced from NIH DSLD.

Supplement Facts

BrandMusclePharm
Serving Size
Contents2.0 lbs 908.0 Gram(s)
Market StatusOn 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

Original Label

View Full DSLD Label (PDF)

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