SierraSil Joint Formula 14
Brand: SierraSil · Form: CAPSULE [E0159] On Market
Our assessment
The evidence shows that SierraSil Joint Formula 14 contains calcium, a mineral essential for bone health. However, the data provided does not include specific studies on this product or its exact formula for joint health outcomes. Our assessment is that while calcium supports bone mineralization and neuromuscular relaxation [NIH ODS], there is no data available to verify the effectiveness of this specific supplement for joint pain or function. You should approach this product with caution due to the lack of targeted evidence.
How it works
Calcium works by supporting bone density and mineral deposition, which is critical for maintaining strong bones [NIH ODS]. It also plays a role in neuromuscular relaxation, helping your muscles and nerves signal properly [NIH ODS]. Without additional ingredient data from the label, we cannot confirm how the specific blend in SierraSil Joint Formula 14 might target joint health beyond these general calcium functions.
Safety profile
The FDA has received a total of 592,059 adverse event reports across all supplements, but data is not available for how many relate specifically to SierraSil Joint Formula 14 [FDA data]. For calcium, high intakes may increase the risk of heart disease and prostate cancer [NIH ODS]. High levels 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]. Calcium can also reduce absorption of medications like bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS].
Our recommendation
Given the lack of specific studies on SierraSil Joint Formula 14 for joint health, we cannot recommend this product as a first-line option. You should consult your healthcare provider before starting this supplement, especially if you take any medications that interact with calcium [NIH ODS]. If you choose to use it, monitor for side effects like nausea or constipation [NIH ODS]. For joint health, consider supplements with stronger clinical evidence, as the data for this product is not available.
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