Silboron Silicon & Boron

by Intensive Nutrition · capsule · 100 vegetarian capsules

  • Off the market since October 2023 (NIH)
  • DSLD label 23821
  • Serving 1 to 3 capsules; amounts per 1 capsule

Silboron Silicon & Boron by Intensive Nutrition lists 3 ingredients, 3 with an amount per serving of 1 capsule, such as 1.5 mg of silicon, 3.8 mg of boron and 16 mg of citric acid. Its current label entered the NIH Dietary Supplement Label Database on August 23, 2013.

What is in Silboron Silicon & Boron?

Each row as the label prints it, per serving of 1 capsule. 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).

Silboron Silicon & Boron: Supplement Facts rows against the market (DSLD label 23821, January 2026 release)
IngredientAmount% DVAmong products listing it
Silicon1.5 mgSilicon in Silboron Silicon & Boron against 1,220 products1.5 mg per serving; the middle half of products list 2 mg to 10.5 mg, the median 4 mg.1.5 mg

88% of 1,220 products listing silicon give more (median 4 mg).

Boron3.8 mgBoron in Silboron Silicon & Boron against 3,339 products3.8 mg per serving; the middle half of products list 0.3 mg to 2 mg, the median 1 mg.UL 20 mg3.8 mg

Higher than 93% of 3,339 products listing boron (median 1 mg).

Citric Acid16 mgCitric Acid in Silboron Silicon & Boron against 56 products16 mg per serving; the middle half of products list 57.25 mg to 457.5 mg, the median 200 mg.16 mg

91% of 56 products listing citric acid give more (median 200 mg).

Source: NIH ODS Dietary Supplement Label Database, label 23821 (entered August 23, 2013), 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?

The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:

  • Its 3.8 mg of boron is higher than 93% of the 3,339 boron products that print an amount; 244 list more.
  • 91% of the 56 products that print an amount of citric acid list more than its 16 mg of citric acid (median 200 mg).

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?

The products whose ingredient lists overlap most with Silboron Silicon & Boron's, rare ingredients counting for more.

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
Directions: 1-3 capsules daily between meals or as directed by your health professional.
Allergens and what it does not contain
FREE OF YEAST, EGG, MILK, STARCH, CORN, SUGAR, ARTIFICIAL COLORS, SWEETENERS OR PRESERVATIVES.

Source: label statements in DSLD label 23821.

What else is on the label?

Other ingredients: Microcrystalline Cellulose, Magnesium Stearate, CabOsil, Dicalcium Phosphate, disstilled water.

How many labels does Silboron Silicon & Boron have?

One label is on file, entered on August 23, 2013.

  1. Label 23821 (current) Entered August 23, 2013 · off the market October 4, 2023 · 100 vegetarian capsules

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names Intensive Nutrition Inc. (manufacturer), San Leandro, CA. All Intensive Nutrition products.

Where next?