Jarrow Formulas Type II Bioavailable Collagen Complex
Brand: Jarrow Formulas · Form: CAPSULE [E0159] On Market
Our assessment
Our assessment: The evidence shows that a collagen complex like this one may provide building blocks for connective tissue, but the specific benefits depend heavily on the included ingredients. Data on the exact formulation is limited, so we focus on the key ingredient, calcium. For bone health, calcium is essential, but you need to be precise with your intake to avoid risks [NIH ODS].
How it works
Think of calcium as a structural cornerstone for your bones and teeth. It supports bone mineralization and neuromuscular relaxation, helping your muscles and nerves signal properly [NIH ODS]. While collagen provides amino acids for skin and joint tissue, calcium is the primary mineral that ensures your skeletal framework stays strong.
Safety profile
FDA received 592,059 total adverse event reports across all supplements, though specific counts for this product are not available. For calcium, high intakes might increase the risk of heart disease and prostate cancer. Excess calcium in the blood can cause poor muscle tone, poor kidney function, constipation, nausea, weight loss, extreme tiredness, frequent urination, 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
Start by assessing your total calcium intake from food and other supplements. Do not exceed 2,000–2,500 mg daily from all sources. Take this supplement with food, and separate it from thyroid medication or antibiotics by at least 2 hours. If you have a history of kidney stones or heart conditions, consult your doctor before use. The evidence supports calcium for bone health, but the collagen component's benefits remain less defined [NIH ODS].
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Jarrow Formulas |
|---|---|
| Serving Size | |
| Contents | 60.0 Capsule(s) |
| Market Status | On 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