Doctor's Best Fish Collagen with TruMarine Collagen
Brand: Doctor's Best · Form: POWDER [E0162]
Our assessment
The evidence shows that Doctor's Best Fish Collagen with TruMarine Collagen contains calcium, a mineral essential for bone health. However, we must be clear: the specific benefits and risks of this collagen product itself are not directly supported by the data provided. Your decision should be based on the known effects of calcium, which is listed as an ingredient.
How it works
Think of calcium as a structural builder for your skeleton. It supports bone density and mineral deposition, and it plays a key role in neuromuscular relaxation and nerve signaling [NIH ODS]. If you are taking this product for bone or joint health, the calcium content is the primary active component we can evaluate from the data.
Safety profile
Data not available for this specific product. However, for the ingredient calcium, side effects can include constipation, nausea, weight loss, and extreme tiredness [NIH ODS]. Very high calcium levels may cause abnormal heart rhythms and a high risk of death from heart disease [NIH ODS]. The FDA has received 592,059 total adverse event reports across all supplements, though this number is not specific to this product [FDA data].
Our recommendation
Our assessment: Do not start this supplement without first checking your calcium intake from food and other supplements. Because calcium can reduce absorption of medications like bisphosphonates, tetracycline antibiotics, and levothyroxine, you should take it at a different time of day than those prescriptions [NIH ODS]. If you have a history of kidney stones, heart disease, or prostate cancer, consult your doctor before use [NIH ODS].
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Doctor's Best |
|---|---|
| Serving Size | |
| Contents | 30.0 Powder Stick Pack(s) |
| Market Status | Off 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