SierraSil Joint Formula 14
Brand: SierraSil · Form: CAPSULE [E0159] On Market
Our assessment
The evidence shows that SierraSil Joint Formula 14 contains calcium as a key ingredient, which is well-known for supporting bone health. However, we must be clear: the data provided does not include any clinical studies specifically testing this product for joint health. Our assessment is that while calcium is essential for bone mineralization, relying on this supplement for joint pain relief is not supported by the data we have [NIH ODS].
How it works
Calcium acts as a master regulator for your bones and nerves. It supports bone density and mineral deposition, helping to maintain a strong skeletal structure. Additionally, it plays a role in neuromuscular relaxation, which supports muscle relaxation and nerve signaling [NIH ODS]. Think of it as a foundational building block for your body's framework, not a targeted joint lubricant or anti-inflammatory agent.
Safety profile
Data not available for SierraSil Joint Formula 14 specifically. However, based on the calcium ingredient, high intakes might increase the risk of heart disease and prostate cancer. High levels of calcium in the 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]. The FDA has received a total of 592,059 adverse event reports for all supplements in its database, but this number is not specific to this product [FDA data].
Our recommendation
If you are considering SierraSil Joint Formula 14 for joint health, we recommend you first consult with your healthcare provider to determine if calcium supplementation is appropriate for you. Be aware that calcium can reduce the absorption of several medications, including bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS]. Without specific studies on this product for joint function, we cannot recommend it as a primary treatment for joint discomfort. Focus on getting calcium from food sources and discuss any supplement use with your doctor.
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | SierraSil |
|---|---|
| Serving Size | |
| Contents | 90.0 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