MusclePharm Arnold Iron Cre3 Blue Razz

Our assessment

The evidence shows that MusclePharm Arnold Iron Cre3 Blue Razz is a creatine-based supplement. Based on the data provided, the primary ingredient information available is for calcium, not creatine. For calcium, the data supports its role in bone health, but we must be transparent: we have no specific data on the creatine content or its effects for this product [NIH ODS].

How it works

If we look at the calcium component, it functions in bone mineralization, helping to support bone density and mineral deposition, and in neuromuscular relaxation, supporting muscle relaxation and nerve signaling [NIH ODS]. However, without specific data on the other ingredients in this product, the full mechanism of action is not available from the provided information.

Safety profile

Data not available for this specific product's side effects. The FDA adverse event database contains a total of 592,059 reports across all supplements, but no specific report count is available for this product [FDA data]. For the calcium ingredient specifically, safety concerns include that high calcium intakes might increase the risk of heart disease and prostate cancer. 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 medications like bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS].

Our recommendation

Because no specific data on creatine or the full ingredient profile was provided, we cannot make a confident recommendation for this product. If you are considering it, consult with your healthcare provider, especially if you take any medications that interact with calcium. For general supplement guidance, look for products with complete ingredient transparency and third-party testing data.

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