Dr. Mercola Organic Collagen

Our assessment

The evidence shows that Dr. Mercola Organic Collagen provides calcium as a key ingredient, which supports bone mineralization and neuromuscular relaxation [NIH ODS]. However, the data on collagen itself is not available in the provided sources, so we cannot assess its specific benefits or risks. Our assessment is that this product’s primary known action comes from its calcium content, and you should be aware of the safety considerations tied to high calcium intake [NIH ODS].

How it works

Think of calcium as a structural and signaling mineral. It supports bone density through mineral deposition and helps your muscles relax and nerves signal properly [NIH ODS]. When you take this collagen product, the calcium it contains works to maintain your skeletal strength and neuromuscular function [NIH ODS].

Safety profile

FDA received a total of 592,059 adverse event reports across all supplements, though specific reports for this product are not available [FDA data]. For calcium specifically, high intakes might increase the risk of heart disease and prostate cancer [NIH ODS]. High levels 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 absorption of bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS].

Our recommendation

We recommend you evaluate your total calcium intake from all sources, including food and other supplements. Since the specific collagen benefits are not documented in the provided data, you should not rely on this product for general health improvements without consulting a healthcare professional. Start by checking your dietary calcium levels and be cautious of exceeding recommended limits to avoid the side effects listed [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