Hydroxycut SX-7 Black Onyx

by MuscleTech · capsule · 80 capsules

Off the market since February 2018 (NIH)
UPC 6 31656 60535 8
DSLD label 48147
Serving 1 to 2 capsules; amounts per 1 capsule
80 servings

Hydroxycut SX-7 Black Onyx by MuscleTech lists 7 ingredients, 7 with an amount per serving of 1 capsule, such as 200 mg of green coffee bean extract, 145 mg of caffeine anhydrous, 50 mg of coleus root extract and 50 mg of L-theanine. Its current label entered the NIH Dietary Supplement Label Database on August 25, 2015.

What is in Hydroxycut SX-7 Black Onyx?

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).

Hydroxycut SX-7 Black Onyx: Supplement Facts rows against the market (DSLD label 48147, January 2026 release)
Ingredient	Amount	Among products listing it
Green Coffee bean extractas Chlorogenic Acids, Coffea canephora robustaGreen Coffee bean extract (Form: as Coffea canephora robusta Genus: Coffea Species: canephora SubSpecies: robusta, standardized for 45% Chlorogenic Acids) PlantPart: bean	200 mg	51% of 668 products listing green coffee give more (median 250 mg). Per day at the most servings: 400 mg.
Caffeine Anhydrous	145 mg	64% of 3,358 products listing caffeine give more (median 200 mg). Per day at the most servings: 290 mg.
Coleus root extractas Coleus forskohlii, ForskolinColeus root extract (Form: as Coleus forskohlii Genus: Coleus Species: forskohii, standardized for 10% Forskolin) PlantPart: root	50 mg	78% of 303 products listing coleus give more (median 125 mg). Per day at the most servings: 100 mg.
L-Theanine	50 mg	79% of 1,602 products listing theanine give more (median 100 mg). Per day at the most servings: 100 mg.
Salvia root extractas Salvia miltiorrhiza, Salvianolic AcidSalvia root extract (Form: as Salvia miltiorrhiza Genus: Salvia Species: miltiorrhiza, standardized for 7% Salvianolic Acid) PlantPart: root	25 mg
Yohimbe bark extractas YohimbineYohimbe bark extract (Form: standardized for 6% Yohimbine) PlantPart: bark Genus: Pausinystalia Species: yohimbe	20 mg	60% of 313 products listing yohimbe give more (median 31.3 mg). Per day at the most servings: 40 mg.
Satsuma Mandarin root extractas Beta-Cryptoxanthin, Citrus unshiuSatsuma Mandarin root extract (Form: as Citrus unshiu Genus: Citrus Species: unshiu, supplying Beta-Cryptoxanthin) PlantPart: pulp	2 mg

Source: NIH ODS Dietary Supplement Label Database, label 48147 (entered August 25, 2015), 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:

79% of the 1,602 products that print an amount of theanine list more than its 50 mg of L-theanine (filed by NIH under theanine) (median 100 mg).

The NIH database records 1 to 2 servings 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 Hydroxycut SX-7 Black Onyx's, rare ingredients counting for more.

Hydroxycut Hardcore EliteMuscleTech Performance Series 5 shared, 49% alike
Hydroxycut Hardcore EliteMuscleTech 5 shared, 49% alike
Hydroxycut Hardcore Elite Powder Blue RaspberryMuscleTech Performance Series 4 shared, 35% alike

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: To assess your tolerance, take one capsule with 8 oz. of water once per day. Once your tolerance has been assessed, take 1 capsule 2 times daily 30 to 60 minutes before your two largest meals of the day (e.g. breakfast and lunch). Once tolerance has been assessed and you are looking for an additional boost of energy, take an additional capsule with the first serving of the day. Do not exceed 3 capsules in a 24-hour period. For best results, use for 60 days in combination with diet and training. Day 1 & 2 - 1 capsule, 1x daily Day 3 & 4 - 1 capsule, 2x daily Day 5 & Beyond (For an additional boost of energy): Take 2 capsules in the morning before your first meal and 1 capsule later in the day before a meal.
Warnings: Do not exceed 3 capsules in a 24-hour period.; WARNING: Not intended for use by persons under 18.; xxxxxxxx; Do not use if pregnant or nursing.; Discontinue use and consult a medical doctor if you experience unusual symptoms.; Consult a medical doctor before use if you have been treated for, or diagnosed with, or have a family history of any medical condition, or if you are using any prescription or over-the-counter drug(s).; Consult a medical doctor before starting a diet or exercise program.; One serving of this product contains up to as much caffeine as 1.5 cups of coffee. Caffeine sensitive individuals may experience the following symptoms, including (but not limited to) restlessness, nervousness, tremors, headache, anxiety, palpitations, increased heart rate, or difficulty sleeping. Do not combine with other sources of caffeine or stimulants. Discontinue use 2 weeks prior to surgery. Do not use for more than 8 weeks. Do not use if you have heart, sleep or anxiety disorders.; Do not exceed recommended serving.; KEEP OUT OF REACH OF CHILDREN.; Do not use if packaging has been tampered with.
Storage: Store in a cool, dry place (60(0)F to 80(0)F).

Source: label statements in DSLD label 48147.

What else is on the label?

Other ingredients: Capsule, Dicalcium Phosphate Dihydrate, Magnesium Stearate, Silicon Dioxide.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): MADE IN THE USA FROM INTERNATIONAL INGREDIENTS.

How many labels does Hydroxycut SX-7 Black Onyx have?

2 labels are on file under this name since January 23, 2015: other sizes, label designs and reformulations. The current one leads this page.

Label 48147 (current) Entered August 25, 2015 · off the market February 7, 2018 · 80 capsules · UPC 6 31656 60535 8
Label 41259 Entered January 23, 2015 · off the market September 26, 2014 · 80 capsules · UPC 6 31656 60535 8

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

Who makes it?

The label names Iovate Health Sciences U.S.A. Inc. (distributor), Wilmington, DE. All MuscleTech products.