MPR Muscle Performance Regulator Amino Blue Raspberry

Our assessment

The evidence shows that MPR Muscle Performance Regulator Amino Blue Raspberry contains calcium, a mineral essential for bone health and muscle function. However, the data provided is limited to this single ingredient, and we cannot assess other components of this product. For a general audience, calcium supplementation can be beneficial, but it is not a direct muscle performance regulator in the way that protein or creatine might be [NIH ODS].

How it works

Think of calcium as a key signaling molecule for your muscles. It supports neuromuscular relaxation and nerve signaling, which is critical for proper muscle contraction and recovery after exercise. Additionally, calcium plays a primary role in bone mineralization, helping maintain the structural framework that supports your physical activity [NIH ODS].

Safety profile

Data on adverse events specific to this product is not available in the provided data. However, based on the calcium content, high intakes can pose risks. Some research suggests high calcium intakes might increase the risk of heart disease and prostate cancer. Side effects of excessively high blood calcium include poor muscle tone, constipation, nausea, weight loss, extreme tiredness, abnormal heart rhythms, and a high risk of death from heart disease [NIH ODS]. The total FDA adverse event reports for all dietary supplements is 592,059, but this number is not specific to this product [FDA data].

Our recommendation

Start by assessing your total calcium intake from food and other supplements. Do not exceed the tolerable upper intake level without medical supervision. Be aware that calcium can reduce the absorption of medications such as bisphosphonates, tetracycline antibiotics, and levothyroxine [NIH ODS]. If you are using this product as a workout supplement, remember that calcium alone does not provide the amino acids typically expected from a "muscle performance regulator" product. Data not available for other ingredients in this formula, so consult your pharmacist or doctor before use.

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