Zydrex
by Synergistic Nutritional Compounds · capsule · 60 capsules
- Off the market since November 2023 (NIH)
- UPC 7 36211 72727 5
- DSLD label 36601
- Serving 1 capsule
- 60 servings
Zydrex by Synergistic Nutritional Compounds lists 10 ingredients, 10 with an amount per serving of 1 capsule, such as 60 mcg of chromium, 150 mg of irvingia gabonensis, 100 mg of caffeine anhydrous and 100 mg of dicaffeine malate. Its current label entered the NIH Dietary Supplement Label Database on August 26, 2014.
What is in Zydrex?
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).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| Chromiumas Chromax Chromium PicolinateChromium (Form: as Chromax Chromium Picolinate) | 60 mcg | 50% | 61% of 7,825 products listing chromium give more (median 100 mcg). Per day at the most servings: 180 mcg. |
| Irvingia gabonensisas AlbuminsIrvingia gabonensis (Form: 7% Albumins) Genus: Irvingia Species: gabonensis | 150 mg | 49% of 187 products listing irvingia gabonensis give more (median 150 mg). Per day at the most servings: 450 mg. | |
| Caffeine Anhydrous | 100 mg | 34% of 3,358 products listing caffeine give more (median 200 mg). Per day at the most servings: 600 mg. | |
| Dicaffeine Malate | 100 mg | ||
| Green Coffeeas Chlorogenic AcidGreen Coffee (Form: 50% Chlorogenic Acid) PlantPart: bean | 100 mg | 83% of 668 products listing green coffee give more (median 250 mg). Per day at the most servings: 300 mg. | |
| Razberi-K(R) | 100 mg | 65% of 383 products listing raspberry ketone give more (median 150 mg). Per day at the most servings: 300 mg. | |
| Phenylethylamine | 37.5 mg | 66% of 41 products listing phenylethylamine give more (median 100 mg). Per day at the most servings: 112.5 mg. | |
| Panax ginsengas GinsenosidesPanax ginseng (Form: 20% Ginsenosides) Genus: Panax Species: ginseng | 25 mg | 77% of 706 products listing oriental ginseng give more (median 90 mg). Per day at the most servings: 75 mg. | |
| California Poppy seed | 10 mg | 93% of 40 products listing california poppy give more (median 200 mg). Per day at the most servings: 30 mg. | |
| ThermoDiamineas EvodiamineThermoDiamine (Form: 98% Evodiamine) | 10 mg | 30% of 43 products listing evodiamine give more (median 10 mg). Per day at the most servings: 30 mg. |
Source: NIH ODS Dietary Supplement Label Database, label 36601 (entered August 26, 2014), 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:
- 65% of the 383 products that print an amount of raspberry ketone list more than its 100 mg of razberi-K(R) (filed by NIH under raspberry ketone) (median 150 mg).
- 93% of the 40 products that print an amount of california poppy list more than its 10 mg of california poppy (median 200 mg).
The NIH database records 2 to 3 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 Zydrex's, rare ingredients counting for more.
- FenphedrineMusclecore · off the market 8 shared, 75% alike
- PhenphedrinePhenphedrine · off the market 8 shared, 75% alike
- PhytodrenAdvantage Nutraceuticals · off the market 8 shared, 73% alike
- Abidexin Super ShreddedAbidexin Laboratories · off the market 6 shared, 54% alike
- Liporexall ExtremeNutriPharm · off the market 6 shared, 54% alike
- Apidextra HardcoreAdvantage Nutraceuticals · off the market 6 shared, 54% 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
- Recommended Use: Take 1 capsule 2-3 times daily with at least 16 ounces of water. Best times to take are immediately upon waking up, 30 minutes before lunch, and 30 minutes before exercise.
- Warnings
- Do not take within 7 hours of bedtime. Do not exceed 3 capsules in any 24 hour period.
- WARNING: Not intended for use by persons under 18.
- Do not use if pregnant or nursing. Consult a physician before use if you have been treated for, diagnosed with, or have a family history of cardiovascular complications, diabetes, liver or kidney disease, or if you are using any prescription or over the counter drug.
Source: label statements in DSLD label 36601.
What else is on the label?
Other ingredients: Gelatin, Silicon Dioxide.
How many labels does Zydrex have?
One label is on file, entered on August 26, 2014.
- Label 36601 (current) Entered August 26, 2014 · off the market November 9, 2023 · 60 capsules · UPC 7 36211 72727 5
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Synergistic Nutritional Compounds (distributor), Orem, UT, U.S.A.. All Synergistic Nutritional Compounds products.