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Muscle Feast · Amino acid/Protein supplement

Instantized L-Leucine Unflavored

2 ingredients on file in the NIH Dietary Supplement Label Database. Off-market, label data preserved for reference.

2
Ingredients
2
Nutrient categories
Top 97%
By ingredient count
Off Market by Muscle Feast Verify with NIH DSLD → · FDA overview →

Instantized L-Leucine Unflavored is a amino acid/protein supplement by Muscle Feast in powder form, listing 2 ingredients in the NIH Dietary Supplement Label Database (DSLD), maintained by the Office of Dietary Supplements at the National Institutes of Health. Currently listed as off-market (no longer available for purchase, but label data is preserved). Daily Value percentages shown below are based on FDA reference daily intake amounts for adults.

Product Details

Form
Powder
Database Entry Date
2020-02-26
Ingredients
2

Supplement Facts (2 Ingredients)

Per-row amounts not disclosed: The NIH DSLD record for this product lists ingredients but does not include the per-row Supplement Facts panel (quantities and Daily Value percentages). The full panel may be visible on the physical label or on the manufacturer's site. Verify amounts before use. Look up on NIH DSLD →
Ingredient Group Amount % DV
L-Leucine Leucine Not disclosed on label No DV
Lecithin lecithin Not disclosed on label No DV

How does Instantized L-Leucine Unflavored compare?

Ingredients listed on each label, against the amino acid/protein category average of 12.7. Data from the NIH DSLD.

Instantized L-Leucine Unflavored2
1 Up Whey Chocolate & Peanut Butter Blast20
Amino acid/Protein average12.7

Instantized L-Leucine Unflavored lists 18 ingredients fewer than 1 Up Whey Chocolate & Peanut Butter Blast. That is 11 below the amino acid/protein average.

What the Label Data Shows

Instantized L-Leucine Unflavored is cataloged in the NIH Dietary Supplement Label Database (DSLD) as a amino acid/protein supplement from Muscle Feast, sold in powder form. The label declares 2 ingredients. These ingredients span 2 nutrient categories, amino acid, fat, reflecting a multi-component formula rather than a single-nutrient product.

Daily Value coverage on this label is informative. No ingredients on this label reach 100% of the FDA reference Daily Value, 0 fall below 100% DV, and 2 have no FDA-established Daily Value reference.. Some nutrients (such as botanicals, amino acids, and specialty compounds) have no Daily Value because the FDA has not set a reference intake; absence of a DV is neither good nor bad on its own.

Market status matters for supplement research. This product is currently listed as off-market in the DSLD, with its label first entered into the database on 2020-02-26. Off-market products are no longer being produced or distributed under this label, but the DSLD preserves their historical label data for researchers, consumers checking older bottles, and for tracking how formulations have evolved. The DSLD is a label database, not an FDA approval list, under the 1994 DSHEA framework, dietary supplements do not require pre-market approval, and label information reflects what manufacturers self-declare rather than independent laboratory verification. This page presents factual label data for reference only and is not medical advice; consult a licensed healthcare provider before making decisions about any supplement.

Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (DSLD) Supplement label data for Instantized L-Leucine Unflavored: ingredients, % Daily Value, market status, brand · 2026 DSLD captures manufacturer-self-declared label information; the NIH does not verify accuracy or evaluate safety/efficacy. Dietary supplements are regulated under DSHEA 1994, no pre-market FDA approval is required.

Nearby Amino acid/Protein Products

Other products in the NIH DSLD cataloged under the same supplement type. Useful for comparing formulations within the amino acid/protein category.

Compare Instantized L-Leucine Unflavored vs 1 Up Whey Chocolate & Peanut Butter Blast →

1 Up Whey Chocolate & Peanut Butter Blast
1 Up Nutrition
20 ingredients
On
1 Up Whey Cinnamon French Toast
1 Up Nutrition
20 ingredients
On
1 Up Whey Coconut Ice Cream
1 Up Nutrition
23 ingredients
On
100% All Natural Whey Dutch Chocolate
MRM
23 ingredients
Off
100% Beef Aminos
Universal
9 ingredients
Off
100% Beef Aminos
Universal
9 ingredients
Off

Ingredient Breakdown by Category

amino acid
1
L-Leucine
fat
1
Lecithin

Daily Value Coverage

0
Above 100% DV
0
Below 100% DV
2
No DV Established

Supplement Guides

→ How to Read a Supplement Facts Panel → Supplement Safety Basics → Compare Supplements Using NIH Data → Are Supplements Worth Taking? → Practical Guide to Supplement Labels

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Frequently Asked Questions

What ingredients are in Instantized L-Leucine Unflavored? ▼
Instantized L-Leucine Unflavored contains 2 ingredients. Ingredients span 2 categories: amino acid, fat.
Who manufactures Instantized L-Leucine Unflavored? ▼
Instantized L-Leucine Unflavored is was manufactured by Muscle Feast. It is classified as a Amino acid/Protein supplement in powder form.
Is Instantized L-Leucine Unflavored still available for purchase? ▼
According to the NIH DSLD database, Instantized L-Leucine Unflavored is listed as off-market and may no longer be available for purchase.
What is the serving size of Instantized L-Leucine Unflavored? ▼
The serving size is not specified.
What type of supplement is Instantized L-Leucine Unflavored? ▼
Instantized L-Leucine Unflavored is classified as a "Amino acid/Protein" supplement in the NIH database. This category includes products primarily composed of amino acid/protein ingredients. The NIH DSLD tracks 9 supplement categories: Vitamin, Mineral, Botanical, Amino Acid & Protein, Non-Nutrient, Fat & Fatty Acid, Multi-Vitamin & Mineral, Botanical with Nutrients, and Other Combinations.
Where does this Instantized L-Leucine Unflavored data come from? ▼
All label data comes from the NIH Dietary Supplement Label Database (DSLD), maintained by the Office of Dietary Supplements at the National Institutes of Health. The DSLD is a publicly accessible database containing label information, including ingredients, serving sizes, and Daily Value percentages, for dietary supplement products marketed in the United States.

Data Sources & Methodology

Data as of 2025. Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (DSLD).

Supplement label data sourced from the Source: NIH Dietary Supplement Label Database (DSLD), maintained by the Office of Dietary Supplements at the National Institutes of Health. The DSLD contains label information from dietary supplement products marketed in the United States.

Daily Value (DV) percentages are based on Source: FDA 21 CFR 101.9 Reference Daily Intake (RDI) values for adults. Products marked "Off Market" may no longer be available for purchase but their label data remains in the database for reference.

Disclaimer, Not Medical Advice: Label data from the Source: NIH Dietary Supplement Label Database (DSLD). This information is for educational and reference purposes only and does not constitute medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before starting, stopping, or combining any dietary supplement, especially if you are pregnant, nursing, take prescription medication, or have a medical condition.

Read our methodology , how this data is sourced, computed, and verified.