Moon Juice Collagen Protect

Our assessment

The evidence shows that Moon Juice Collagen Protect contains calcium, a mineral with well-documented benefits for bone health. Our assessment is that this product may contribute to your daily calcium intake, but it is not a complete or high-dose solution for calcium deficiency. You should consider your total calcium intake from all sources, including food and other supplements, to avoid exceeding safe levels [NIH ODS].

How it works

Think of calcium as the structural building block for your skeleton. It supports bone density and mineral deposition, which is essential for maintaining strong bones as you age. Additionally, calcium plays a key role in neuromuscular relaxation, helping your muscles relax and your nerves signal properly after contraction [NIH ODS].

Safety profile

Data not available for specific adverse events linked to this product. However, FDA received a total of 592,059 adverse event reports across all dietary supplements. For calcium specifically, some research suggests that high intakes might increase the risk of heart disease and prostate cancer [NIH ODS]. Very 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

If you choose Moon Juice Collagen Protect, use it as a minor contributor to your overall calcium intake, not your primary source. Monitor your total daily calcium from food and all supplements to stay within recommended limits. If you take any of the medications listed above, separate your calcium supplement from those doses by at least two hours. For specific dosing advice, consult your healthcare provider [NIH ODS].

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