Quantum Limonene

by Quantum Nutrition Labs · liquid · 0.5 fluid ounces

  • On the market (NIH)
  • DSLD label 329114
  • Serving 0.05 ml (2 drops)
  • 300 servings

Quantum Limonene by Quantum Nutrition Labs lists one ingredient: 40 mg of orange essential oil per serving of 0.05 ml. Its current label entered the NIH Dietary Supplement Label Database on April 24, 2025.

What is in Quantum Limonene?

Each row as the label prints it, per serving of 0.05 ml. 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).

Quantum Limonene: Supplement Facts rows against the market (DSLD label 329114, January 2026 release)
IngredientAmount% DVAmong products listing it
Orange Essential Oilas D-Limoneneorganic, min. 90% d-Limonene40 mgSweet Orange in Quantum Limonene against 135 products40 mg per serving; the middle half of products list 60 mg to 450 mg, the median 100 mg.40 mg

87% of 135 products listing sweet orange give more (median 100 mg).

Source: NIH ODS Dietary Supplement Label Database, label 329114 (entered April 24, 2025), version 9.4.0. See the label on DSLD or its label image (PDF). 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:

  • 87% of the 135 products that print an amount of sweet orange list more than its 40 mg of orange essential oil (filed by NIH under sweet orange) (median 100 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?

6 products list the very same ingredients; the nearest amounts come first.

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
Suggested use: Take 2 drops daily with a meal. To dispense 2 drops, invert bottle at a 45 degree angle until the drops emerge.

Source: label statements in DSLD label 329114.

What else is on the label?

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): USDA Organic; OU (Kosher). Listed with: USDA Organic seal (a seal is the label's claim; the certifier's own list confirms it).

How many labels does Quantum Limonene have?

2 labels are on file under this name since January 24, 2024: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 329114 (current) Entered April 24, 2025 · on the market · 0.5 fluid ounces
  2. Label 302351 Entered January 24, 2024 · on the market · 0.5 fluid ounces

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

Who makes it?

The label names Quantum Nutrition Labs, LP (distributor), Austin, TX. All Quantum Nutrition Labs products.

Where next?