Life Extension NT2 Collagen 40 mg
Brand: Life Extension · Form: CAPSULE [E0159]
Our assessment
The evidence shows that Life Extension NT2 Collagen 40 mg is primarily a source of calcium, not collagen. Data provided indicates the key ingredient is calcium, which supports bone density and nerve signaling [NIH ODS]. However, we cannot verify any collagen-specific benefits because data on collagen itself is not available. You should consider this product as a calcium supplement.
How it works
Think of calcium as a structural builder — it supports bone mineralization by helping deposit minerals into your skeleton, and it aids neuromuscular relaxation by regulating nerve signaling and muscle function [NIH ODS]. These mechanisms are well-documented, but without data on collagen from this specific product, we cannot confirm how it supports joints or skin.
Safety profile
FDA received 592,059 total adverse event reports across all supplements, but specific report counts for this product are not available. For calcium, side effects from high intakes include constipation, nausea, weight loss, extreme tiredness, frequent urination, abnormal heart rhythms, and a high risk of death from heart disease [NIH ODS]. High levels in blood and urine can also cause poor muscle tone and poor kidney function [NIH ODS]. You should be aware that calcium can reduce absorption of bisphosphonates, tetracycline and fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS].
Our recommendation
Start by checking your total daily calcium intake from food and other supplements. The product provides 40 mg, which is a small dose. If you are taking medications like thyroid hormone or antibiotics, separate your dose by at least 2 hours [NIH ODS]. Because data on collagen benefits is not available, we recommend choosing a dedicated calcium supplement with a known dose if your goal is bone health, or a different product if you are seeking collagen-specific effects.
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Life Extension |
|---|---|
| Serving Size | |
| Contents | 60.0 Small Capsule(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