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SEI · Other Combinations supplement

MethylHex 4,2

26 ingredients on file in the NIH Dietary Supplement Label Database, top 9% by ingredient count. Off-market, label data preserved for reference.

26
Ingredients
Top 9%
By ingredient count
8
Nutrient categories

MethylHex 4,2 is a other combinations supplement by SEI in capsule form, listing 26 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
Capsule
Database Entry Date
2011-11-25
Ingredients
26

Supplement Facts (26 Ingredients)

Proprietary Blend
Amount
Not disclosed on label
% DV
Not reported
Caffeine Anhydrous
Amount
Not disclosed on label
% DV
Not reported
4-Methylhexan-2-Amine Hcl
Amount
Not disclosed on label
% DV
Not reported
Corynanthe extract
Amount
Not disclosed on label
% DV
Not reported
Kola Nut
Amount
Not disclosed on label
% DV
Not reported
Green Tea
Amount
Not disclosed on label
% DV
Not reported
3,7-Dihydro-3,7-Dimethyl-1H-Purine-2,6-Dione
Amount
Not disclosed on label
% DV
Not reported
Yerba Mate
Amount
Not disclosed on label
% DV
Not reported
White Willow
Amount
Not disclosed on label
% DV
Not reported
L-Arginine Ethyl Ester Dihydrochloride
Amount
Not disclosed on label
% DV
Not reported
Choline Bitartrate
Amount
Not disclosed on label
% DV
Not reported
Beta-Alanine
Amount
Not disclosed on label
% DV
Not reported
DMAE
Amount
Not disclosed on label
% DV
Not reported
L-Alanine
Amount
Not disclosed on label
% DV
Not reported
Capsicum
Amount
Not disclosed on label
% DV
Not reported
Sodium Pyruvate
Amount
Not disclosed on label
% DV
Not reported
Guanidino Propionic Acid
Amount
Not disclosed on label
% DV
Not reported
Hordenine
Amount
Not disclosed on label
% DV
Not reported
modified Starch
Amount
Not disclosed on label
% DV
Not reported
Gelatin
Amount
Not disclosed on label
% DV
Not reported
Vegetable Stearate
Amount
Not disclosed on label
% DV
Not reported
Silicon Dioxide
Amount
Not disclosed on label
% DV
Not reported
Red #3
Amount
Not disclosed on label
% DV
Not reported
Blue #1
Amount
Not disclosed on label
% DV
Not reported
Red #40
Amount
Not disclosed on label
% DV
Not reported
Titanium Dioxide
Amount
Not disclosed on label
% DV
Not reported

How does MethylHex 4,2 compare?

Ingredients listed on each label, against the other combinations category average of 21.8. Data from the NIH DSLD.

MethylHex 4,226
1,000 mg Vitamin C Acai Berry34
Other Combinations average21.8

MethylHex 4,2 lists 8 ingredients fewer than 1,000 mg Vitamin C Acai Berry. That is 4 above the other combinations average.

What the Label Data Shows

According to NIH DSLD label rows, MethylHex 4,2 sits in the top 9% of products with a countable formula by declared ingredient count.

With 26 ingredients on the label, MethylHex 4,2 is one of the more extensive other combinations supplement formulas from SEI in the NIH Dietary Supplement Label Database (DSLD), sold in capsule form. These ingredients span 8 nutrient categories, other, non-nutrient/non-botanical, botanical, amino acid, and 4 more, reflecting a multi-component formula rather than a single-nutrient product.

Across a broader 26-ingredient formula, 26 of 26 lack a percentage Daily Value in the available source record, leaving their regulatory reference status unspecified on this page.

A product's market status is worth checking before relying on this label. This product is currently listed as off-market in the DSLD, with its label first entered into the database on 2011-11-25. 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.

About the DSLD database

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 MethylHex 4,2: 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.

Nationwide supplements with similar label profiles

Two DSLD-derived peer sets for MethylHex 4,2, both outside the SEI brand so the neighborhoods are not catalog containment (the same-type Nearby block above stays type-local).

Ingredient Breakdown by Category

other
7
4-Methylhexan-2-Amine Hcl, modified Starch, Vegetable Stearate, +4 more
non-nutrient/non-botanical
6
Caffeine Anhydrous, 3,7-Dihydro-3,7-Dimethyl-1H-Purine-2,6-Dione, DMAE, +3 more
botanical
6
Corynanthe extract, Kola Nut, Green Tea, +3 more
amino acid
3
L-Arginine Ethyl Ester Dihydrochloride, Beta-Alanine, L-Alanine
blend
1
Proprietary Blend
vitamin
1
Choline Bitartrate
protein
1
Gelatin
mineral
1
Silicon Dioxide

Daily Value Coverage

0
Above 100% DV
0
Below 100% DV
26
%DV not reported in source

Frequently Asked Questions

What ingredients are in MethylHex 4,2?
MethylHex 4,2 contains 26 ingredients. By declared ingredient count it sits in the top 9% of DSLD products PlainVitamins places. Ingredients span 8 categories: other, non-nutrient/non-botanical, botanical, amino acid, blend, vitamin, protein, mineral.
Who manufactures MethylHex 4,2?
MethylHex 4,2 is was manufactured by SEI. It is classified as a Other Combinations supplement in capsule form.
Is MethylHex 4,2 still available for purchase?
According to the NIH DSLD database, MethylHex 4,2 is listed as off-market and may no longer be available for purchase.
What is the serving size of MethylHex 4,2?
The serving size is not specified.
What type of supplement is MethylHex 4,2?
MethylHex 4,2 is classified as a "Other Combinations" supplement in the NIH database. This category includes products primarily composed of other combinations ingredients. Across the full DSLD catalog, products fall into 9 possible categories: Vitamin, Mineral, Botanical, Amino Acid & Protein, Non-Nutrient, Fat & Fatty Acid, Multi-Vitamin & Mineral, Botanical with Nutrients, and Other Combinations.
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.

Every figure on PlainVitamins is rendered directly from the NIH Dietary Supplement Label Database (DSLD), no number is typed in by an editor. This page draws directly on the NIH DSLD, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.