AFTERDARK InHuman Limited Edition - Citrus Brew

• 5,000 mg L-Citrulline for nitric oxide and muscle pump support*
• 5,000 mg Beta-Alanine to support muscular endurance during high-intensity exercise*
• 5,000 mg Glycogen Polymers with dextrose, Cluster Dextrin™, and D-ribose
• 1,500 mg Betaine Anhydrous for muscular performance support*
• 350 mg Caffeine Anhydrous + 1.5 mg Alpha Yohimbine HCl for intense stimulant-based energy
• 200 mg SantEnergy™ Nu Yerba Santa Extract for additional energy and focus support*
• 750 mg Acetyl-L-Carnitine HCl + 5 mg FitGBB® for complementary carnitine-related metabolic support*
• Includes 300 mg choline, Panax ginseng, and theobromine

• Intense Energy & Alertness: Combines 350 mg caffeine anhydrous with Alpha Yohimbine HCl and theobromine for a powerful stimulant profile. Caffeine helps increase alertness and reduce perceived fatigue, while Alpha Yohimbine contributes additional adrenergic stimulation. This combination may be poorly tolerated by stimulant-sensitive individuals.
• Muscle Pumps & Circulation: L-Citrulline supports arginine availability, which contributes to nitric oxide production and normal vascular relaxation. This pathway may help support blood flow and the muscle pump experienced during resistance training.*
• Muscular Endurance: Beta-Alanine supports the synthesis of carnosine, a compound that helps buffer changes in muscle acidity during high-intensity exercise. Consistent Beta-Alanine intake can support performance during demanding efforts, although these benefits generally develop over time rather than from a single dose.*
• Training Fuel: Glycogen Polymers provide carbohydrates from dextrose, highly branched cyclic dextrin, and D-ribose to contribute to the formula's exercise-fueling profile.
• Strength & Power Support: Betaine Anhydrous is involved in cellular osmotic regulation and methyl-group metabolism. Its potential influence on muscular strength, power, and training performance has been investigated, with mixed research findings.*
• Focus & Cognitive Support: Choline provides precursor material for acetylcholine synthesis, while Acetyl-L-Carnitine and Nu Yerba Santa Extract are included for additional neurological and cognitive-support positioning. The finished formula has not been clinically established to improve cognition.*
• Carnitine-Related Metabolism: Acetyl-L-Carnitine supplies a form of carnitine involved in fatty acid metabolism, while FitGBB® provides gamma-butyrobetaine, a precursor in the body's carnitine synthesis pathway. Their inclusion does not establish clinically meaningful fat-loss effects from this formula.*
• Electrolyte Support: Sodium and chloride contribute essential electrolytes involved in normal fluid balance, nerve signaling, and muscle function.

• Glycogen Polymers — 5,000 mg: A carbohydrate blend containing dextrose, Cluster Dextrin™ (Highly Branched Cyclic Dextrin), and D-ribose. Dextrose supplies readily available carbohydrate, highly branched cyclic dextrin provides a specialized carbohydrate structure, and D-ribose is a sugar involved in nucleotide chemistry. Individual ingredient quantities within the blend are not disclosed.
• L-Citrulline — 5,000 mg: An amino acid that can increase arginine availability in the body. Arginine serves as a substrate for nitric oxide synthesis, which contributes to normal blood vessel function and circulation. L-Citrulline is commonly used in pre-workout formulas for muscle pump and exercise-performance support.*
• Beta-Alanine — 5,000 mg: An amino acid used in the synthesis of carnosine within skeletal muscle. Increasing muscle carnosine stores through consistent supplementation helps support intracellular buffering capacity during demanding exercise. Temporary tingling or prickling sensations may occur after consumption.
• Betaine Anhydrous (Trimethylglycine) — 1,500 mg: A naturally occurring compound involved in methyl-group metabolism and cellular osmotic balance. Research has investigated its potential effects on muscular strength, power, and training adaptation, although results vary.*
• Acetyl-L-Carnitine HCl — 750 mg: An acetylated form of L-Carnitine involved in normal carnitine metabolism. Carnitine participates in the transport of long-chain fatty acids into mitochondria for energy production. Acetyl-L-Carnitine has also been studied for possible neurological and cognitive applications.*
• Caffeine Anhydrous — 350 mg: A concentrated stimulant that acts primarily by blocking adenosine receptors in the central nervous system. Caffeine can increase wakefulness, mental alertness, and certain measures of exercise performance. The amount provided is substantial for a single serving.
• Choline (from Choline Bitartrate) — 300 mg: An essential nutrient involved in normal cell membrane structure, lipid metabolism, and acetylcholine synthesis. Acetylcholine is a neurotransmitter involved in neuromuscular signaling, attention, and other nervous-system processes.
• SantEnergy™ Nu Yerba Santa (Eriodictyon californicum) Extract — 200 mg: A branded botanical extract derived from the aerial parts of California yerba santa. The ingredient is included in the formula for its energy and focus positioning. Research on specific performance or cognitive benefits from this ingredient in healthy athletes remains limited.*
• Panax Ginseng (Panax ginseng) Stem & Leaf Extract — 100 mg: A botanical extract standardized to 7% ginsenosides. Panax ginseng contains characteristic plant compounds investigated for possible effects on fatigue, cognitive function, and physiological stress responses. The formula provides approximately 7 mg of ginsenosides based on its labeled standardization.*
• Theobromine — 50 mg: A naturally occurring methylxanthine found in cacao and related plant sources. Theobromine is chemically related to caffeine and possesses milder stimulant activity, contributing to the formula's overall stimulant profile.
• FitGBB® (Gamma-Butyrobetaine HCl) — 5 mg: A branded form of gamma-butyrobetaine, a compound involved in the body's natural carnitine synthesis pathway. FitGBB® is commonly marketed in thermogenic sports nutrition formulations, although specific fat-loss benefits have not been established for this finished product.*
• Alpha Yohimbine HCl (from Rauwolfia vomitoria) — 1.5 mg: A potent adrenergic stimulant associated with alpha-2 adrenergic receptor antagonism. Alpha Yohimbine can contribute to increased sympathetic nervous-system activity, including changes in heart rate, blood pressure, and subjective stimulation. Combining it with 350 mg of caffeine warrants particular caution due to potentially additive cardiovascular and nervous-system effects.
• Sodium — 250 mg & Chloride — 380 mg: Essential electrolytes provided from sodium chloride. Both participate in fluid balance, normal nerve transmission, and muscle function.

AFTERDARK InHuman Citrus Brew combines nitric oxide precursors, endurance-support ingredients, carbohydrates, stimulants, and specialized botanical compounds to target several aspects of exercise performance. L-Citrulline contributes to arginine availability and nitric oxide production, supporting normal vascular function and blood flow during training. Beta-Alanine serves as a building block for muscle carnosine, which helps buffer intracellular acidity during sustained high-intensity activity; meaningful increases in muscle carnosine generally require consistent supplementation over multiple weeks. Betaine Anhydrous and Acetyl-L-Carnitine participate in cellular metabolism, while the Glycogen Polymers blend supplies carbohydrates that can contribute to exercise fuel. For stimulant effects, caffeine anhydrous blocks adenosine receptors, helping increase alertness and reduce perceived fatigue, while Alpha Yohimbine and theobromine add further stimulant activity through different pharmacological pathways. The combination can also increase the likelihood of adverse cardiovascular or nervous-system responses. Choline supports acetylcholine synthesis, and SantEnergy™ Nu Yerba Santa, Panax ginseng, and FitGBB® contribute additional botanical and metabolic-support ingredients. Together, these components create a high-intensity pre-workout intended for experienced users. However, the complete formula has not been clinically established to produce specific improvements in strength, muscle growth, cognitive performance, or fat loss, and individual responses may vary considerably.*

• Two Major Performance Ingredients at 5 g Each: Combines substantial amounts of L-Citrulline and Beta-Alanine.
• High-Stimulant Combination: Includes 350 mg caffeine anhydrous and 1.5 mg Alpha Yohimbine HCl, producing a more aggressive stimulant profile than caffeine-only formulas.
• SantEnergy™ Nu Yerba Santa: Features 200 mg of a branded Eriodictyon californicum extract.
• Dual Carnitine-Related Ingredients: Combines 750 mg Acetyl-L-Carnitine HCl with 5 mg FitGBB®.
• Carbohydrate Fuel Blend: Uses dextrose, Cluster Dextrin™, and D-ribose in a combined 5 g Glycogen Polymers matrix.
• Choline Support: Supplies 300 mg of choline from Choline Bitartrate.
• Ginseng Standardization: Includes Panax ginseng stem and leaf extract standardized to 7% ginsenosides.
• Fully Disclosed Active Amounts: Lists individual quantities for its major performance, stimulant, and botanical ingredients.
• Limited-Edition Citrus Brew: Features exclusive horror-inspired artwork and a citrus-themed flavor profile.

• Experienced pre-workout users with substantial stimulant tolerance
• Healthy adult strength-training athletes seeking intense pre-training energy
• Resistance-training enthusiasts interested in nitric oxide and muscle pump support*
• Individuals who want Beta-Alanine supplementation for muscular endurance*
• Adults interested in specialized ingredients such as SantEnergy™ and FitGBB®
• People seeking a combination of performance ingredients, carbohydrates, and stimulants
• Experienced users familiar with the potential effects of Alpha Yohimbine
• Fitness enthusiasts interested in limited-edition AFTERDARK pre-workouts
• Not appropriate for stimulant-sensitive individuals, beginners, or people who should avoid products containing substantial caffeine and Alpha Yohimbine

• Mix 1 scoop (23.1 g) with 8–12 fl oz of cold water.
• Consume approximately 20–30 minutes before training.
• To assess tolerance, begin with 1/2 scoop (approximately 11.55 g), providing approximately 175 mg of caffeine anhydrous and 0.75 mg Alpha Yohimbine HCl.
• Because Alpha Yohimbine is a potent stimulant, even a half serving may cause adverse effects in sensitive individuals.
• Do not exceed 1 scoop in a 24-hour period.
• Avoid additional caffeine and stimulants, including energy drinks, stimulant-containing fat burners, and other pre-workouts.
• Avoid use close to bedtime because of the potential for prolonged stimulant effects and sleep disruption.
• Maintain appropriate hydration during training.
• Warnings: High-stimulant formula for healthy adults only. Contains 350 mg caffeine anhydrous and 1.5 mg Alpha Yohimbine HCl per full serving, along with theobromine and other botanicals. Not recommended for individuals under 18, pregnant or nursing women, or individuals sensitive to stimulants. Do not use without medical clearance if you have high blood pressure, cardiovascular disease, an irregular heartbeat, anxiety or panic disorders, kidney or liver conditions, or other relevant medical conditions. Consult a healthcare professional before use if taking prescription medications, particularly stimulants, antidepressants, or medications affecting blood pressure or heart rhythm. Possible adverse effects include palpitations, increased heart rate, elevated blood pressure, anxiety, dizziness, nausea, and insomnia. Beta-Alanine may cause temporary skin tingling. Discontinue use and seek appropriate medical attention if concerning symptoms occur. Do not exceed the recommended serving. Keep out of reach of children.

The complete Other Ingredients statement is not visible in the supplied Citrus Brew product images. The label identifies the following components within the active formula: dextrose, Cluster Dextrin™ (Highly Branched Cyclic Dextrin), and D-ribose. Refer to the actual Tropical Nightmare and Citrus Brew product labels separately for their respective flavoring agents, sweeteners, colors, and other inactive ingredients. The complete Citrus Brew ingredient list should be confirmed from its physical packaging before publication.

• What is AFTERDARK InHuman Citrus Brew? Citrus Brew is a limited-edition, high-stimulant pre-workout containing L-Citrulline, Beta-Alanine, Glycogen Polymers, Betaine Anhydrous, Acetyl-L-Carnitine, caffeine, Alpha Yohimbine, and additional performance-focused ingredients.
• How much caffeine does Citrus Brew contain? Each full scoop provides 350 mg of caffeine anhydrous. The formula also includes additional stimulant compounds, including Alpha Yohimbine and theobromine.
• Does Citrus Brew contain Alpha Yohimbine? Yes. Each full serving supplies 1.5 mg of Alpha Yohimbine HCl from Rauwolfia vomitoria. Alpha Yohimbine is a potent adrenergic stimulant that can increase heart rate, blood pressure, and other sympathetic nervous-system responses, particularly when combined with caffeine.
• What is the difference between Citrus Brew and Tropical Nightmare? Both formulas contain 5 g L-Citrulline, 5 g Beta-Alanine, 5 g Glycogen Polymers, 1.5 g Betaine Anhydrous, and 350 mg Caffeine Anhydrous. Citrus Brew additionally lists Alpha Yohimbine HCl, SantEnergy™ Nu Yerba Santa, Acetyl-L-Carnitine HCl, FitGBB®, and choline. Tropical Nightmare instead lists Alpha-GPC, CognatiQ® Coffee Fruit Extract, taurine, and AuroraBlue® Wild Blueberry Extract. The two flavors should therefore not be treated as identical formulations.
• How much L-Citrulline does Citrus Brew provide? Each full serving supplies 5,000 mg (5 g) of L-Citrulline for nitric oxide and muscle pump support.*
• How much Beta-Alanine is in each serving? Each scoop provides 5,000 mg (5 g). Beta-Alanine supports muscle carnosine production, with performance benefits generally developing through consistent supplementation over time.
• Will Citrus Brew cause tingling? It may. Beta-Alanine commonly causes temporary tingling or prickling sensations known as paresthesia. This is dose-related and does not indicate that the supplement is necessarily working better.
• What is SantEnergy™ Nu Yerba Santa? SantEnergy™ is a branded botanical extract derived from Eriodictyon californicum, commonly known as California yerba santa. Citrus Brew provides 200 mg per scoop. Its specific cognitive or exercise-performance benefits have not been conclusively established in human studies.
• What is FitGBB®? FitGBB® is a branded form of gamma-butyrobetaine HCl, a compound involved in the body's natural carnitine synthesis pathway. Citrus Brew contains 5 mg per full serving. It is commonly marketed for thermogenic support, but fat-loss benefits from this specific formula are not established.
• Does Citrus Brew contain Acetyl-L-Carnitine? Yes. Each scoop provides 750 mg Acetyl-L-Carnitine HCl, a form of carnitine involved in normal metabolism and investigated for potential neurological applications.
• How much choline does the formula provide? Each full scoop provides 300 mg of choline from Choline Bitartrate, equivalent to 55% of the labeled Daily Value.
• Does Citrus Brew contain L-Theanine? L-Theanine does not appear on the supplied Citrus Brew Supplement Facts panel. Although it is mentioned in descriptions of other InHuman formulations, it should not be assumed to be present in this specific edition.
• Does Citrus Brew contain NeuroRush? No NeuroRush ingredient or blend is identified on the supplied Citrus Brew Supplement Facts panel.
• Does Citrus Brew contain sugar? Yes. Each full serving contains 5 g of total sugar, including 5 g of added sugar. It is not a sugar-free pre-workout.
• How many calories are in Citrus Brew? Each full serving contains 20 calories.
• What are Glycogen Polymers? The 5,000 mg Glycogen Polymers blend contains dextrose, Cluster Dextrin™ (Highly Branched Cyclic Dextrin), and D-ribose. These carbohydrate ingredients contribute to the formula's training-fuel profile.
• Does Citrus Brew contain creatine? No creatine ingredient is listed on the supplied Citrus Brew Supplement Facts panel.
• Is this pre-workout suitable for beginners? No. Citrus Brew contains substantial caffeine and Alpha Yohimbine, making it inappropriate for individuals unfamiliar with high-stimulant products or who have low stimulant tolerance.
• Should I begin with a full scoop? No. The manufacturer recommends starting with half a scoop to assess tolerance. Even a half scoop contains approximately 175 mg caffeine and 0.75 mg Alpha Yohimbine, so adverse stimulant effects remain possible.
• Can I combine Citrus Brew with energy drinks or other pre-workouts? The manufacturer advises avoiding other sources of caffeine and stimulants. Combining products may increase cardiovascular and nervous-system risks.
• When should I take Citrus Brew? Mix the recommended serving with 8–12 fl oz of cold water and consume approximately 20–30 minutes before training.
• How many servings are in each container? Each container provides 21 full-scoop servings, with a serving size of 23.1 g.