Keto Energy BHB + Caffeine Raspberry Lemonade

Keto Energy BHB + Caffeine Raspberry Lemonade

KetoLogic4.5 (40 ratings)
Format:Powder Quantity: 8 Liquid(s) · 30 servings
Goals
$34.99 $1.16 per serving
iHerb$34.99

About this product

Caffeine provides direct alertness, while the BHB salt blend supplies an alternative fuel source and several electrolytes. The combination may feel useful during low-carbohydrate training, but it does not by itself create fat loss.

The caffeine and total BHB amounts are clearly listed, which makes the main effects easier to anticipate. The label does not show how much BHB is attached to each mineral, and sodium is substantial for a single serving.

Adults already using a ketogenic diet may value the flavored drink format and moderate stimulation. People limiting sodium or expecting ketones to replace diet adherence will find the trade-offs more important.

Who is it for
  • Adults following a ketogenic or very low-carbohydrate diet
  • People seeking moderate caffeine with ketone salts
Best for
  • Low-carbohydrate workout energy
  • Combining stimulation with electrolytes

Pros

  • Meaningful BHB amount
  • Moderate, clearly disclosed caffeine
  • Includes sodium, potassium, magnesium, and calcium
  • Low carbohydrate content

Cons

  • Substantial sodium per serving
  • BHB mineral distribution is not disclosed
  • Does not directly cause weight loss
  • Cost is high compared with plain caffeine

Warnings

  • The sodium load may not suit people on sodium-restricted diets
  • Caffeine may cause jitteriness or sleep disruption
  • Ketone salts may cause digestive discomfort, especially at a full serving
  • Count other caffeine sources toward the daily total

Product analysis

71 out of 100
A practical caffeinated BHB drink for low-carbohydrate users, offset by substantial sodium and incomplete mineral-salt detail.

AI assessment of the formula, label and price. How scoring works

Nutrient quality83

The substantial ketone amount and moderate caffeine dose provide coherent energy support. Incomplete ketone-salt composition and generic caffeine naming reduce form precision.

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Ingredient transparency76

Active and mineral totals are visible, but the branded ketone composition remains partly opaque. Complete directions, flavoring details, and caffeine form are missing.

.
Customer satisfaction57

The supplied average is strong and based on a small sample. No review themes were provided, so consistency and purpose-specific experience cannot be assessed.

.
Value for money60

Meaningful ketone and caffeine amounts provide some quality value. A premium serving cost and incomplete ketone composition reduce category competitiveness.

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Format
Powder
Container
8 Liquid(s)
Per serving
$1.16
Customer rating
4.5 · 40 ratings
Report analysis

Goals

Energy
Physical Stamina
Energy
Impact
High effect
B- Ingredient FitD PathwaysA+ EvidenceA+ Formulation Logic
Magnesium · 75 mgPotassium · 200 mgCaffeine · 100 mg
Study evidence
Caffeine Supportive 68 studies
Magnesium Supportive 4 studies
Potassium Supportive 2 studies
Metabolism Boost
Metabolism Boost
Impact
Moderate effect
D Ingredient FitF PathwaysC+ EvidenceA+ Formulation Logic
Magnesium · 75 mgCaffeine · 100 mg
Study evidence
Caffeine Disputed 40 studies
Fitness
Fitness
Impact
High effect
C+ Ingredient FitD- PathwaysB EvidenceA+ Formulation Logic
Magnesium · 75 mgCaffeine · 100 mg
Study evidence
Caffeine Supportive 255 studies
Sodium Supportive 96 studies
Productivity Boost
Productivity Boost
Impact
Moderate effect
D Ingredient FitD- PathwaysB EvidenceA+ Formulation Logic
Magnesium · 75 mgCaffeine · 100 mg
Study evidence
Caffeine Supportive 108 studies
Weight Loss
Weight Loss
Impact
Moderate effect
D Ingredient FitF PathwaysC EvidenceA+ Formulation Logic
Magnesium · 75 mgCaffeine · 100 mg
Study evidence
Caffeine Disputed 14 studies
Mental Focus
Mental Focus
Impact
High effect
C+ Ingredient FitC PathwaysB EvidenceA+ Formulation Logic
Magnesium · 75 mgCaffeine · 100 mg
Study evidence
Caffeine Supportive 128 studies

Ingredients

IngredientAmount per servingScore
Calories
15 Calorie(s)
Total Fat
0 Gram(s)
Cholesterol
0 mg
Total Carbohydrates
0 Gram(s)
Protein
0 Gram(s)
Calcium
260 mg
Magnesium
75 mg
Sodium
510 mg
Potassium
200 mg
goBHB
6 Gram(s)
Caffeine
100 mg 64
Gluten Free Adults 18–50 Vegan Dairy Free Vegetarian
Report overview
Caffeine · 100 mg OverallScore64
D- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyD- Value
Keto Energy BHB + Caffeine Raspberry Lemonade lists 100 mg of caffeine per serving. The amount is clear, but no specific caffeine form is named, and the supplied facts do not flag secondary stimulants. Its cost per serving is high.
How this ingredient is rated

Active Ingredient Quality & Bioavailability40

Caffeine is identified, but the saved facts do not name a specific form.
Advanced Bioavailability and Release Profiles
The saved facts identify caffeine but do not name a buffered form.

Dose, Safety & Label Transparency100

The caffeine amount is explicit, and no secondary stimulants are flagged in the supplied facts.
Caffeine Dose Transparency
The serving lists 100 mg of caffeine.
Dosage Efficacy and Safety Margin
The serving provides 100 mg of caffeine.
Secondary Stimulant Disclosure and Risk
The supplied facts do not flag any secondary stimulants.

Value40

The cost per serving is high.
Price Per Serving vs. Collection Median
The cost per serving is high.
View ingredientView products
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68 Performance

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87 Value

Caffeine 200 mg

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84 Value

L-Theanine & Caffeine

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83 Value

TheanineUP Focused Energy

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TheanineUP Focused Energy offers a stronger value case at a lower cost per serving because it pairs 100 mg caffeine with L-theanine, cocoa, and matcha. Added L-theanine shifts the formula toward combined energy and focus compared with Keto Energy BHB + Caffeine Raspberry Lemonade, while using a lower caffeine amount than many direct tablets or pre-workouts.

Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Effect of caffeine ingestion on time trial performance in cyclists: a systematic review and meta-analysis.
    Chen B; Ding L; Qin Q; Lei TH; Girard O; Cao Y · Journal of the International Society of Sports Nutrition · 2024
    Meta-analysis15 studies pooledFitness forCaffeine
  2. Using coffee to compensate for poor sleep: Impact on vigilance and implications for workplace performance.
    Anderson JR; Hagerdorn PL; Gunstad J; Spitznagel MB · Applied ergonomics · 2018
    Randomized trial69 participantsMental Focus forCaffeine
  3. Caffeine administration at night during extended wakefulness effectively mitigates performance impairment but not subjective assessments of fatigue and sleepiness.
    Paech GM; Banks S; Pajcin M; Grant C; Johnson K; Kamimori GH; Vedova CB · Pharmacology, biochemistry, and behavior · 2017
    Randomized trial24 participantsEnergy forCaffeine
  4. High-power therapeutic ultrasound for treatment of abdominal localized adiposity-double-blind randomized clinical trial.
    da Silva Siqueira K; Maia JM · Lasers in medical science · 2020
    Randomized trial90 participantsWeight Loss forCaffeine
  5. No effects of caffeine on cycling to exhaustion and perceptual responses in non-caffeine-restricted subjects.
    Weippert M; Behrens M; Schlegel M; Schröder T; Tillmann M; Rühe N; Römer R; Mau-Möller A; Bruhn S · Journal of the International Society of Sports Nutrition · 2025
    Randomized trial56 participantsEnergy Fitness forCaffeine
  6. Physiological and cognitive responses to caffeine during repeated, high-intensity exercise.
    Crowe MJ; Leicht AS; Spinks WL · International journal of sport nutrition and exercise metabolism · 2007
    Randomized trial17 participantsMental Focus forCaffeine
  7. Maternal, but not paternal or grandparental, caffeine intake is associated with childhood obesity and adiposity: The Lifeways Cross-Generation Cohort Study.
    Chen LW; Murrin CM; Mehegan J; Kelleher CC; Phillips CM; Cross-Generation Cohort Study for the Lifeways · The American journal of clinical nutrition · 2020
    Cohort study558 participantsWeight Loss forCaffeine
  8. A critical review of caffeine withdrawal: empirical validation of symptoms and signs, incidence, severity, and associated features.
    Juliano LM; Griffiths RR · Psychopharmacology · 2005
    Systematic review66 studies pooledEnergy forCaffeine
  9. Caffeinated Coffee and Tea Consumption, Genetic Variation and Cognitive Function in the UK Biobank.
    Cornelis MC; Weintraub S; Morris MC · The Journal of nutrition · 2020
    Cross-sectional study445,786 participantsMental Focus forCaffeine
  10. Safety and efficacy of long-term treatment with ephedrine, caffeine and an ephedrine/caffeine mixture.
    Toubro S; Astrup AV; Breum L; Quaade F · International journal of obesity and related metabolic disorders : journal of the International Association for the Study of Obesity · 1993
    Randomized trial180 participantsWeight Loss forCaffeine
  11. Effect of caffeine ingestion on cycling performance: a systematic review and meta-analysis.
    Wu J; Xu K; Yin M; Ding X; Wang T; Zhang Q; Wu X; Xiao N · Frontiers in nutrition · 2026
    Meta-analysis226 participants20 studies pooledFitness forCaffeine
  12. Effects of Caffeine Intake on Endurance Running Performance and Time to Exhaustion: A Systematic Review and Meta-Analysis.
    Wang Z; Qiu B; Gao J; Del Coso J · Nutrients · 2023
    Meta-analysis254 participants21 studies pooledFitness forCaffeine
  13. Acute effects of caffeine on attention: a comparison of non-consumers and withdrawn consumers.
    Smith AP; Christopher G; Sutherland D · Journal of psychopharmacology (Oxford, England) · 2013
    Randomized trial70 participantsMental Focus forCaffeine
  14. Differential cognitive effects of energy drink ingredients: caffeine, taurine, and glucose.
    Giles GE; Mahoney CR; Brunyé TT; Gardony AL; Taylor HA; Kanarek RB · Pharmacology, biochemistry, and behavior · 2013
    Randomized trial48 participantsEnergy forCaffeine
  15. Does caffeine ingestion before a short-term sprint interval training promote body fat loss?
    Ferreira GA; Felippe LC; Bertuzzi R; Bishop DJ; Ramos IS; De-Oliveira FR; Lima-Silva AE · Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologicas · 2020
    Randomized trial20 participantsWeight Loss forCaffeine
  16. Caffeine, CYP1A2 Genotype, and Endurance Performance in Athletes.
    Guest N; Corey P; Vescovi J; El-Sohemy A · Medicine and science in sports and exercise · 2019
    Randomized trial101 participantsFitness forCaffeine
  17. Effects of modafinil and caffeine on night-time vigilance of air force crewmembers: A randomized controlled trial.
    Wingelaar-Jagt YQ; Bottenheft C; Riedel WJ; Ramaekers JG · Journal of psychopharmacology (Oxford, England) · 2023
    Randomized trial32 participantsMental Focus forCaffeine
  18. Does Single or Combined Caffeine and Taurine Supplementation Improve Athletic and Cognitive Performance without Affecting Fatigue Level in Elite Boxers? A Double-Blind, Placebo-Controlled Study.
    Ozan M; Buzdagli Y; Eyipinar CD; Baygutalp NK; Yüce N; Oget F; Kan E; Baygutalp F · Nutrients · 2022
    Randomized trial20 participantsEnergy forCaffeine
  19. Eight Weeks of Sprint Interval Training With Adding Caffeine Ingestion Leads to Greater Improvements in Health-Related Physiological Parameters in Obese Male Adults.
    Zhiang J; Song Q · Physiological research · 2026
    Randomized trial30 participantsWeight Loss forCaffeine
  20. Placebo in sports nutrition: a proof-of-principle study involving caffeine supplementation.
    Saunders B; de Oliveira LF; da Silva RP; de Salles Painelli V; Gonçalves LS; Yamaguchi G; Mutti T; Maciel E; Roschel H; Artioli GG; Gualano B · Scandinavian journal of medicine & science in sports · 2018
    Randomized trial42 participantsFitness forCaffeine
  21. The effects of L-theanine, caffeine and their combination on cognition and mood.
    Haskell CF; Kennedy DO; Milne AL; Wesnes KA; Scholey AB · Biological psychology · 2008
    Randomized trialMental Focus forCaffeine
  22. Trait Energy and Fatigue Modify the Effects of Caffeine on Mood, Cognitive and Fine-Motor Task Performance: A Post-Hoc Study.
    Fuller DT; Smith ML; Boolani A · Nutrients · 2021
    Randomized trialEnergy forCaffeine
  23. An Examination of a Novel Weight Loss Supplement on Anthropometry and Indices of Cardiovascular Disease Risk.
    Sowinski RJ; Grubic TJ; Dalton RL; Schlaffer J; Reyes-Elrod AG; Jenkins VM; Williamson S; Rasmussen C; Murano PS; Earnest CP; Kreider RB · Journal of dietary supplements · 2021
    Randomized trial68 participantsWeight Loss forCaffeine
  24. Acute Effects of Caffeine Supplementation on Movement Velocity in Resistance Exercise: A Systematic Review and Meta-analysis.
    Raya-González J; Rendo-Urteaga T; Domínguez R; Castillo D; Rodríguez-Fernández A; Grgic J · Sports medicine (Auckland, N.Z.) · 2021
    Meta-analysis12 studies pooledFitness forCaffeine
  25. Caffeine and attentional control: improved and impaired performance in healthy older adults and Parkinson's disease according to task demands.
    Sharma K; Fallon SJ; Davis T; Ankrett S; Munro G; Christopher G; Coulthard E · Psychopharmacology · 2022
    Randomized trial68 participantsMental Focus forCaffeine
  26. Effect of Caffeine on Golf Performance and Fatigue during a Competitive Tournament.
    Mumford PW; Tribby AC; Poole CN; Dalbo VJ; Scanlan AT; Moon JR; Roberts MD; Young KC · Medicine and science in sports and exercise · 2016
    Randomized trial12 participantsEnergy forCaffeine
  27. Maternal caffeine intake during pregnancy, early growth, and body fat distribution at school age.
    Voerman E; Jaddoe VW; Gishti O; Hofman A; Franco OH; Gaillard R · Obesity (Silver Spring, Md.) · 2017
    Cohort study7,857 participantsWeight Loss forCaffeine
  28. Acute Effects of Caffeine Supplementation on Physical Performance, Physiological Responses, Perceived Exertion, and Technical-Tactical Skills in Combat Sports: A Systematic Review and Meta-Analysis.
    Delleli S; Ouergui I; Messaoudi H; Trabelsi K; Ammar A; Glenn JM; Chtourou H · Nutrients · 2022
    Meta-analysis26 studies pooledFitness forCaffeine
  29. The combined effects of L-theanine and caffeine on cognitive performance and mood.
    Owen GN; Parnell H; De Bruin EA; Rycroft JA · Nutritional neuroscience · 2009
    Randomized trial27 participantsMental Focus forCaffeine
  30. Effects of Caffeine Intake on Cognitive Performance Related to Total Sleep Deprivation and Time on Task: A Randomized Cross-Over Double-Blind Study.
    Quiquempoix M; Sauvet F; Erblang M; Van Beers P; Guillard M; Drogou C; Trignol A; Vergez A; Léger D; Chennaoui M; Gomez-Merino D; Rabat A · Nature and science of sleep · 2022
    Randomized trial24 participantsEnergy forCaffeine
  31. Prenatal Substance Exposure and Obesity: Trajectories of Tri-Ponderal Mass Index in Early Adolescence.
    Li R; Wigley IM; Suuronen I; Jolly A; Tuulari JJ · American journal of preventive medicine · 2025
    Cohort study7,881 participantsWeight Loss forCaffeine
  32. Can I Have My Coffee and Drink It? A Systematic Review and Meta-analysis to Determine Whether Habitual Caffeine Consumption Affects the Ergogenic Effect of Caffeine.
    Carvalho A; Marticorena FM; Grecco BH; Barreto G; Saunders B · Sports medicine (Auckland, N.Z.) · 2022
    Meta-analysis60 studies pooledFitness forCaffeine
  33. The effect of mouth rinsing with different concentrations of caffeine solutions on reaction time.
    Virdinli SG; Kutlay E; Yuzbasioglu Y; Vollaard NBJ; Rudarli Nalcakan G · Journal of sports sciences · 2022
    Randomized trial45 participantsMental Focus forCaffeine
  34. Caffeine Supplementation and Physical Performance, Muscle Damage and Perception of Fatigue in Soccer Players: A Systematic Review.
    Mielgo-Ayuso J; Calleja-Gonzalez J; Del Coso J; Urdampilleta A; León-Guereño P; Fernández-Lázaro D · Nutrients · 2019
    Systematic review17 participants17 studies pooledEnergy forCaffeine
  35. Caffeine treatment prevented from weight regain after calorie shifting diet induced weight loss.
    Davoodi SH; Hajimiresmaiel SJ; Ajami M; Mohseni-Bandpei A; Ayatollahi SA; Dowlatshahi K; Javedan G; Pazoki-Toroudi H · Iranian journal of pharmaceutical research : IJPR · 2014
    Non-randomized trial60 participantsWeight Loss forCaffeine
  36. Sex Differences in the Ergogenic Response of Acute Caffeine Intake on Muscular Strength, Power and Endurance Performance in Resistance-Trained Individuals: A Randomized Controlled Trial.
    Montalvo-Alonso JJ; Ferragut C; Del Val-Manzano M; Valadés D; Roberts J; Pérez-López A · Nutrients · 2024
    Randomized trial76 participantsFitness forCaffeine
  37. Caffeine attenuates scopolamine-induced memory impairment in humans.
    Riedel W; Hogervorst E; Leboux R; Verhey F; van Praag H; Jolles J · Psychopharmacology · 1996
    Randomized trial16 participantsMental Focus forCaffeine
  38. Effect of caffeine intake on fat oxidation rate during exercise: is there a dose-response effect?
    Gutiérrez-Hellín J; Aguilar-Navarro M; Ruiz-Moreno C; Muñoz A; Varillas-Delgado D; Amaro-Gahete FJ; Del Coso J · European journal of nutrition · 2023
    Randomized trial18 participantsEnergy Metabolism Boost forCaffeine
  39. Interventions associated with brown adipose tissue activation and the impact on energy expenditure and weight loss: A systematic review.
    Perez LC; Perez LT; Nene Y; Umpierrez GE; Davis GM; Pasquel FJ · Frontiers in endocrinology · 2022
    Systematic review47 studies pooledWeight Loss forCaffeine
  40. Cognitive and mood improvements of caffeine in habitual consumers and habitual non-consumers of caffeine.
    Haskell CF; Kennedy DO; Wesnes KA; Scholey AB · Psychopharmacology · 2005
    Randomized trial48 participantsEnergy forCaffeine
  41. Caffeine-containing energy drink improves physical performance of elite rugby players during a simulated match.
    Del Coso J; Ramírez JA; Muñoz G; Portillo J; Gonzalez-Millán C; Muñoz V; Barbero-Álvarez JC; Muñoz-Guerra J · Applied physiology, nutrition, and metabolism = Physiologie appliquee, nutrition et metabolisme · 2016
    Randomized trial26 participantsEnergy forCaffeine
  42. Magnesium-L-threonate improves sleep quality and daytime functioning in adults with self-reported sleep problems: A randomized controlled trial.
    Hausenblas HA; Lynch T; Hooper S; Shrestha A; Rosendale D; Gu J · Sleep medicine: X · 2025
    Randomized trial80 participantsEnergy forMagnesium
  43. Total magnesium intake and risk of frailty in older women.
    Struijk EA; Fung TT; Bischoff-Ferrari HA; Willett WC; Lopez-Garcia E · Journal of cachexia, sarcopenia and muscle · 2024
    Cohort study81,524 participantsEnergy forMagnesium
  44. Red blood cell magnesium and chronic fatigue syndrome.
    Cox IM; Campbell MJ; Dowson D · Lancet (London, England) · 1991
    Randomized trial32 participantsEnergy forMagnesium
  45. Exercise, magnesium and immune function.
    Laires MJ; Monteiro C · Magnesium research · 2008
    Narrative reviewEnergy forMagnesium
  46. [Efficacy of potassium N-acetylaminosuccinate (Cogitum) in the treatment of asthenic syndrome: results of double-blind placebo-controlled trial].
    Esin RG; Khayrullin IK; Esin OR; Fatykhova AF; Gismatullina EI; Isaeva YN · Zhurnal nevrologii i psikhiatrii imeni S.S. Korsakova · 2023
    Randomized trial37 participantsEnergy forPotassium
  47. Human resting energy expenditure in relation to dietary potassium.
    Dériaz O; Thériault G; Lavallée N; Fournier G; Nadeau A; Bouchard C · The American journal of clinical nutrition · 1991
    Randomized trial8 participantsEnergy forPotassium
  48. Additive effects of beta-alanine and sodium bicarbonate on upper-body intermittent performance.
    Tobias G; Benatti FB; de Salles Painelli V; Roschel H; Gualano B; Sale C; Harris RC; Lancha AH; Artioli GG · Amino acids · 2013
    Randomized trial37 participantsFitness forSodium
  49. Sodium Hyperhydration Improves Performance With No Change in Thermal and Cardiovascular Strain in Female Cyclists Exercising in the Heat Across the Menstrual Cycle.
    Convit L; Orellana L; Périard JD; Carr AJ; Warmington S; Beaugeois M; Abraham A; Snipe RMJ · International journal of sport nutrition and exercise metabolism · 2025
    Randomized trial12 participantsFitness forSodium
  50. Sodium bicarbonate supplementation improves severe-intensity intermittent exercise under moderate acute hypoxic conditions.
    Deb SK; Gough LA; Sparks SA; McNaughton LR · European journal of applied physiology · 2018
    Randomized trial11 participantsFitness forSodium
  51. International Society of Sports Nutrition position stand: sodium bicarbonate and exercise performance.
    Grgic J; Pedisic Z; Saunders B; Artioli GG; Schoenfeld BJ; McKenna MJ; Bishop DJ; Kreider RB; Stout JR; Kalman DS; Arent SM; VanDusseldorp TA; Lopez HL; Ziegenfuss TN; Burke LM; Antonio J; Campbell BI · Journal of the International Society of Sports Nutrition · 2021
    Guideline / consensusFitness forSodium
  52. The effects of sodium bicarbonate ingestion on swimming interval performance in trained competitive swimmers.
    Gough LA; Newbury JW; Price M · European journal of applied physiology · 2023
    Randomized trial14 participantsFitness forSodium
  53. Performance and alertness effects of caffeine, dextroamphetamine, and modafinil during sleep deprivation.
    Wesensten NJ; Killgore WD; Balkin TJ · Journal of sleep research · 2006
    Randomized trial48 participantsMental Focus forCaffeine
  54. Effects of caffeine on mood and performance: a study of realistic consumption.
    Brice CF; Smith AP · Psychopharmacology · 2003
    Clinical trial24 participantsMental Focus forCaffeine
  55. Effects of caffeine or diphenhydramine on visual vigilance.
    Fine BJ; Kobrick JL; Lieberman HR; Marlowe B; Riley RH; Tharion WJ · Psychopharmacology · 1995
    Randomized trial24 participantsMental Focus forCaffeine
  56. A Randomized Study to Examine the Ability of a Caffeine-Based Energy Drink to Impact Energy Expenditure, Fat Oxidation, and Cognitive Performance.
    Krieger J; Schrautemeier A; Hagele A; Gaige C; Mennemeyer O; Tolbert S; Iannotti J; Kerksick C; Noonan C; Mumford P · Nutrients · 2025
    Randomized trial60 participantsMetabolism Boost forCaffeine
  57. Oolong tea increases metabolic rate and fat oxidation in men.
    Rumpler W; Seale J; Clevidence B; Judd J; Wiley E; Yamamoto S; Komatsu T; Sawaki T; Ishikura Y; Hosoda K · The Journal of nutrition · 2001
    Randomized trial12 participantsMetabolism Boost forCaffeine
  58. Comparison of changes in energy expenditure and body temperatures after caffeine consumption.
    Koot P; Deurenberg P · Annals of nutrition & metabolism · 1995
    Randomized trial12 participantsMetabolism Boost forCaffeine
  59. Caffeine Increases Work Done above Critical Power, but Not Anaerobic Work.
    Silveira R; Andrade-Souza VA; Arcoverde L; Tomazini F; Sansonio A; Bishop DJ; Bertuzzi R; Lima-Silva AE · Medicine and science in sports and exercise · 2018
    Randomized trial9 participantsMetabolism Boost forCaffeine
  60. Effects of caffeine on alertness.
    Zwyghuizen-Doorenbos A; Roehrs TA; Lipschutz L; Timms V; Roth T · Psychopharmacology · 1990
    Randomized trial24 participantsProductivity Boost forCaffeine
  61. Effects of Different Sources of Low-Dose Caffeine on Mood/Arousal and Cognitive Performance.
    Irwin C; McCartney D; Grant G; Delang N; Bartrim K; Cox GR; Desbrow B · Perceptual and motor skills · 2023
    Randomized trial22 participantsProductivity Boost forCaffeine
  62. Effects of caffeine, sleep loss, and stress on cognitive performance and mood during U.S. Navy SEAL training. Sea-Air-Land.
    Lieberman HR; Tharion WJ; Shukitt-Hale B; Speckman KL; Tulley R · Psychopharmacology · 2003
    Randomized trial68 participantsProductivity Boost forCaffeine
  63. A review of caffeine's effects on cognitive, physical and occupational performance.
    McLellan TM; Caldwell JA; Lieberman HR · Neuroscience and biobehavioral reviews · 2017
    Narrative reviewProductivity Boost forCaffeine
  64. Acute caffeine supplementation as a nutrition-based strategy to mitigate sleep-loss-related cognitive and operational performance impairments in military personnel: a systematic review and meta-analysis.
    Wang R; Wang W; Meng L; Hao G; Gu G · Frontiers in nutrition · 2026
    Meta-analysis7 studies pooledProductivity Boost forCaffeine
  65. Changes in caffeine intake and long-term weight change in men and women.
    Lopez-Garcia E; van Dam RM; Rajpathak S; Willett WC; Manson JE; Hu FB · The American journal of clinical nutrition · 2006
    Cohort study58,157 participantsWeight Loss forCaffeine
  66. The effects of caffeine intake on weight loss: a systematic review and dos-response meta-analysis of randomized controlled trials.
    Tabrizi R; Saneei P; Lankarani KB; Akbari M; Kolahdooz F; Esmaillzadeh A; Nadi-Ravandi S; Mazoochi M; Asemi Z · Critical reviews in food science and nutrition · 2020
    Meta-analysis606 participants13 studies pooledWeight Loss forCaffeine