Douglas Laboratories Vegetarian Enzyme

Our assessment

The evidence shows that Douglas Laboratories Vegetarian Enzyme is a digestive supplement, but the specific data we have relates to calcium, which is not listed as an ingredient for this product. For the ingredient calcium, our assessment is that it supports bone mineralization and neuromuscular relaxation [NIH ODS]. However, without ingredient data for this specific product, we cannot assess its intended benefits for you.

How it works

Think of calcium as a structural builder — it supports bone density and mineral deposition, and it also helps with muscle relaxation and nerve signaling [NIH ODS]. For this specific product, data on its mechanism is not available because the ingredients are not provided in the data.

Safety profile

Data not available for the specific ingredients of this product. For calcium, high intakes might increase the risk of heart disease and prostate cancer [NIH ODS]. High levels 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]. The FDA received 592059 total adverse event reports across all supplements, but specific reports for this product are not available [FDA data].

Our recommendation

Because the ingredient list for Douglas Laboratories Vegetarian Enzyme is not provided in the data, we cannot make a specific recommendation for this product. For general calcium guidance, you should be aware that calcium can reduce the absorption of several medications, including bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS]. Consult a healthcare provider before starting any new supplement.

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