Product Label

Douglas Laboratories Collagen Forte

Brand: Douglas Laboratories · Form: CAPSULE [E0159]

Our assessment

The evidence shows that Douglas Laboratories Collagen Forte contains calcium, a mineral essential for bone health. However, the data provided does not confirm any specific collagen content or additional ingredients. Our assessment is that this product may help support your bone density, but you should verify the full ingredient list on the label before use [NIH ODS].

How it works

Calcium acts as a master regulator for your bones and muscles. It supports bone mineralization and density, and it helps your muscles relax and nerves signal properly [NIH ODS]. Think of it as the building block that keeps your skeletal structure strong and your neuromuscular system functioning smoothly.

Safety profile

FDA received 592,059 total adverse event reports across all supplements. For calcium specifically, high intakes might increase the risk of heart disease and prostate cancer. High levels of calcium in your 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] [FDA data]. Data on side effects specific to this product is not available.

Our recommendation

You should check your total calcium intake from food and other supplements before adding this product. Calcium can reduce the absorption of medications like bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS]. If you take any of these, separate doses by at least two hours. Start with the lowest effective dose and discuss with your healthcare provider to avoid excessive intake [NIH ODS].

AI-assisted analysis. Data sourced from NIH DSLD.

Supplement Facts

BrandDouglas Laboratories
Serving Size
Contents300.0 Capsule(s)
Market StatusOff 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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