Joint Formula 14
by SierraSil · capsule · 90 capsules
- On the market (NIH)
- UPC 8 97871 00017 4
- DSLD label 252407
- Serving 5 capsules
- 18 servings
Joint Formula 14 by SierraSil lists 2 ingredients, 2 with an amount per serving of 5 capsules, such as 38 mg of calcium and 2 mg of iron. Its current label entered the NIH Dietary Supplement Label Database on August 23, 2021.
What is in Joint Formula 14?
Each row as the label prints it, per serving of 5 capsules. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| CalciumCalcium (Form: from Hydrothermal Mineral Complex) | 38 mg | 4% | 81% of 17,831 products listing calcium give more (median 115 mg). |
| Ironas Hydrothermal Mineral ComplexIron (Form: from Hydrothermal Mineral Complex) | 2 mg | 10% | 66% of 6,910 products listing iron give more (median 5 mg). |
| Hydrothermal Mineral Complex | 3 g |
Source: NIH ODS Dietary Supplement Label Database, label 252407 (entered August 23, 2021), version 9.4.0. See the label on DSLD. Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.
Is that a lot?
Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.
The NIH database records one serving a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.
The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.
Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.
Which products have the closest formulas?
6 products list the very same ingredients; the nearest amounts come first.
- Joint Formula 14 PowderSierraSil same ingredients
- IronSunshine Naturals same ingredients
- Iron Chelate 25 mgNatural Factors same ingredients
- Slow Release Iron21st Century same ingredients
- Ferrous Sulfate Iron 28 mgRexall same ingredients
- Ferrous SulfateReliable 1 Laboratories same ingredients
Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.
What does the label say about taking it?
Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.
- Directions
- Recommended Serving (Adults): Take once daily with water on an empty stomach (one hour before or after a meal), following the serving chart below for number of capsules according to body weight.
- Body Weight Up to 175 lbs 175-230 lbs Over 230 lbs Number of capsules 3 4 5
- Directions: Drink a minimum of 6 glasses of water per day. Take medications four hours before or after taking JF14.
- Warnings
- Caution: Pregnant or nursing women and persons with known medical conditions should consult with their physician before using.
- Do not use if inner seal is missing or broken.
- JF14 is not a significant source if iron, and is not sufficient to treat iron deficiency.
- Warning: Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under 6. Keep this product out of reach of children. In case of accidental overdose, call a doctor or poison control center immediately.
- Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
- Allergens and what it does not contain
- Made without sugar, starch, salt, wheat, gluten, corn, dairy, marine or animal products, flavoring or preservatives.
- Storage
- Keep bottle tightly closed. Store in a cool, dry place.
Source: label statements in DSLD label 252407.
What else is on the label?
Other ingredients: Hypromellose, Microcrystalline Cellulose, Magnesium Stearate, purified Water.
How many labels does Joint Formula 14 have?
5 labels are on file under this name since October 22, 2015: other sizes, label designs and reformulations. The current one leads this page.
- Label 252407 (current) Entered August 23, 2021 · on the market · 90 capsules · UPC 8 97871 00017 4
- Label 252405 Entered August 23, 2021 · on the market · 90 capsules · UPC 8 97871 00018 1
- Label 229953 Entered July 23, 2020 · off the market June 1, 2021 · 90 capsules · UPC 8 97871 00018 1
- Label 80586 Entered November 20, 2017 · off the market May 20, 2020 · 90 capsules · UPC 8 97871 00018 1
- Label 51430 Entered October 22, 2015 · on the market · 90 capsules · UPC 8 89710 00176 3
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names SierraSil Health Inc. (distributor), Vancouver, BC, Canada. All SierraSil products.