1 Product identity

Ingredient risk

3 ingredients to use with caution

Xtra Energy Shot Grape Flavor

Name: Xtra Energy Shot Grape Flavor
Brand: Stacker 2

BrandStacker 2→Other Combinations Liquid 26 ingredients 3 caution DSLD #33432

Net contents: 2 fl. Oz.

Target: Adults and Children 4 years and above

DSLD entry: 2014-05-23

2 Ingredients (26)

IngredientGroupSafety

CaloriesCalories—

NiacinNiacinConditionally Safe

Vitamin B6Vitamin B6Use with Caution

Folic AcidFolateConditionally Safe

Vitamin B12Vitamin B12Use with Caution

SodiumSodiumConditionally Safe

PROPRIETARY ENERGY BLENDProprietary Blend (Combination)—

TaurineTaurineGenerally Safe

Malic AcidMalic Acid—

CaffeineCaffeineUse with Caution

GlucuronolactoneGlucuronolactone—

N-Acetyl L-TyrosineN-Acetyl Tyrosine—

L-PhenylalaninePhenylalanine—

Enzyme BlendBlend (non-nutrient/non-botanical)—

AmylaseAmylase—

ProteaseProteolytic Enzymes (Proteases)—

LipaseLipase—

CellulaseCellulase—

LactaseLactaseGenerally Safe

filtered WaterWater—

Natural and Artificial flavorsFlavor—

Potassium SorbatePotassium sorbate—

SODIUM BENZOATESodium Benzoate—

SucraloseSucraloseConditionally Safe

FD&C RED #40Color—

FD&C BLUE #1Color—

Ingredient amounts require the full DSLD label. View full label at NIH DSLD →

⚠️ Use with caution — restricted in some markets

Vitamin B6 — Sensory neuropathy from chronic high-dose B6 (>200 mg/day) — presents as numbness, ataxia. Can be irreversible. Often self-prescribed by patients…

Vitamin B12 — Nitrous oxide anesthesia in subclinically B12-deficient patients can precipitate acute combined degeneration — always check B12 before elective p…

Caffeine (Anhydrous) 🇬🇧 🇪🇺 🇦🇺 — High caffeine warnings mandatory on products >150 mg/L.

3 Safety cross-reference

Niacin — Conditionally Safe

⚠ Flushing at >50 mg

⚠ Hepatotoxicity at high doses

Vitamin B6 — Use with Caution

Folate — Conditionally Safe

⚠ May mask B12 deficiency

⚠ Colorectal cancer risk debated

Vitamin B12 — Use with Caution

Sodium — Conditionally Safe

⚠ Hypertension

⚠ Fluid retention

Taurine — Generally Safe

⚠ May lower blood pressure

Caffeine (Anhydrous) — Use with Caution

L-Tyrosine — Limited Evidence

⚠ May worsen hyperthyroidism

⚠ Migraine trigger in some

L-Phenylalanine — Limited Evidence

⚠ Dangerous in PKU

⚠ May raise blood pressure

Lactase — Generally Safe

⚠ Very well tolerated

⚠ Fungal-derived: rare allergy

Potassium — Limited Evidence

⚠ Hyperkalemia risk

⚠ Dangerous with ACE inhibitors

Sucralose — Conditionally Safe

⚠ May affect gut microbiome

⚠ Heating may produce chlorinated compounds

4 Label claims

• All Other

• Structure/Function

5 Data source

DSLD ID33432

Full labelView at NIH DSLD →

SourceOffice of Dietary Supplements, NIH

Market statusOn market

Entry date2014-05-23

6 More from Stacker 2

View Stacker 2 Safety Scorecard → 5 products

6 Hour Power Extreme Energy Shot Grape 6 Hour Power Extreme Energy Shot Very Berry Extra Strangth Extreme Energy Shot Grape Flavor Stacker 2 Capsules

7 Cite this page

Vancouver

Pkhakadze G. Xtra Energy Shot Grape Flavor — product analysis [Internet]. Tbilisi: Public Health Institute of Georgia; 2026 [cited 2026 Aug 28]. Available from: https://supplement.ge/products/dsld-33432/

CC BY 4.0. Product data from NIH DSLD; safety analysis by SupplementIndex.

Analyzed by SupplementIndex

PHIG · Editor-in-Chief: Prof. Giorgi Pkhakadze, MD, MPH, PhD

Product data sourced from the NIH Dietary Supplement Label Database (DSLD). Safety cross-referencing by SupplementIndex. This analysis is for informational purposes only. For corrections: info@accreditation.ge.
Publisher: PHIG