Fasting Tonic™ is a breakthrough drink mix that makes fasting easier and more effective. Its zero-calorie, natural jelly helps curb hunger, supports portion control, replenishes electrolytes, protects muscle, and nourishes gut health—all without breaking your fast.
Fasting Tonic™
$53
per month
(30 days supply)
Effortless fasting, amplified results—Fasting Tonic™ curbs hunger, replenishes electrolytes, and protects muscle, all without breaking your fast.
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Product description
Product description
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Curbs hunger naturally with expanding prebiotic fiber—no chemicals or caffeine
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Protects muscle during fasting to prevent breakdown and retain strengthspan
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Maintains hydration & replenishes electrolytes to combat fatigue
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Zero calories, no sugar, and won’t break your fast—naturally sweetened with stevia and flavored with refreshing orange-passion fruit
Ingredient list
Ingredient list
Vitamin D (as cholecalciferol) | 3.1 mcg (125 IU) |
Calcium | 50 mg |
Magnesium (as magnesium citrate) | 25 mg |
Chloride (as sodium chloride and potassium chloride) | 190 mg |
Sodium (as sodium chloride) | 75 mg |
Potassium (as potassium chloride) | 90 mg |
Glucomannan (konjac root) | 1500 mg |
Creatine monohydrate | 1000 mg |
Calcium HMB (Calcium 3-Hydroxy-3-Methylbutyrate monohydrate) | 375 mg |
AquaminTM mineralized seaweed | 10 mg |
Suggested use
Suggested use
90-Day Satisfaction Guarantee
90-Day Satisfaction Guarantee
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As seen in
Revolutionize fasting, without breaking your fast


Your complete fasting protocol
Discover the unique benefits that set us apart.
Fasting and caloric restriction
for whole body health
Fasting and caloric restriction
for whole body health
Ease Hunger, Feel Full Naturally
without breaking a fast
Ease Hunger, Feel Full Naturally
without breaking a fast
Replenish vital micronutrients
depleted during fasting
Replenish vital micronutrients
depleted during fasting
Preserve Muscle Mass
Even during fasted exercise
Preserve Muscle Mass
Even during fasted exercise
Helps Maintain a Healthy Weight
for Healthy Longevity
Helps Maintain a Healthy Weight
for Healthy Longevity
Eases transition to eating
Skip the Post-Fast Crashes
Eases transition to eating
Skip the Post-Fast Crashes
Revitalize Gut Microbiome
Defy Dysbiosis
Revitalize Gut Microbiome
Defy Dysbiosis
Maintain peak hydration
for safer fasting
Maintain peak hydration
for safer fasting
Choose Fasting or Calorie Restriction
Tailor to your lifestyle
Choose Fasting or Calorie Restriction
Tailor to your lifestyle
How to use
6 research-backed ingredients
Glucomannan
1,500 mg
Glucomannan
1,500 mg
Magnesium
25 mg
Magnesium
25 mg
Ca-HMB (Calcium β-hydroxy-β-methylbutyrate)
375 mg
Ca-HMB (Calcium β-hydroxy-β-methylbutyrate)
375 mg
Creatine
1,000 mg
Creatine
1,000 mg
Sodium, potassium, Chloride
Sodium, potassium, Chloride
Aquamin™ mineralized seaweed
10 mg
Aquamin™ mineralized seaweed
10 mg
Your 12 month fasting journey
2 weeks
Initial Comfort Boost
6 weeks
Enhanced Muscle Preservation
3 months
Improved Metabolic Efficiency
6 months
Superior Energy and Endurance
12 months
Long-Term Health and Longevity
How can calorie restriction diets affect the 12 hallmarks of aging?
Learn more
Intermittent fasting is incredibly useful in aiding fat loss, building muscle, and increasing resilience. Done correctly, it's one of the most painless high-impact ways to live longer.
Dave Asprey, American author and speaker. Known as the father of biohacking.
Founded in Oxford - we’ve done our homework
At Jung+, we're on a crusade to liberate human longevity, translating the latest scientific advancements in aging research into products and technologies that can slow aging and extend healthy lifespan
Our scientistsGMP certified
Manufactured in facilities that follow Good Manufacturing Practices (GMP), ensuring the highest quality and purity.
Scientist Approved
Formulated by experts and rigorously evaluated by scientists to ensure effectiveness and safety.
Clinical-Grade Dosage
Contains the precise dosages used in clinical studies, ensuring you receive the optimal amount for maximum benefit.
Made in the USA
Proudly produced in the USA, ensuring adherence to the highest standards of quality and safety.
Real results from real people
Meet our JUNG+ community
FAQ’s
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I plan a prolonged fast (multiple days). Can I use Fasting tonic?
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How many servings of Fasting tonic a day I could take?
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Can Fasting Tonic™ cause upset stomach?
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Can I take Fasting Tonic™ during a ketogenic diet?
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Will this break my fast?
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How do I use this for Calorie Restriction or Weight Management?
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I want something stronger - can I use two scoops in my cup?
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I'm new to fasting. Do you have any advice?
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Does Fasting Tonic replace all food during calorie restriction?
Scientific studies
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Effects Of Intermittent Fasting On Disease Processes And General Health
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Impact of Electrolyte Supplementation on Fluid Balance and Athletic Performance During Intense Exercise
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Different Dietary Fibers Remodel Gut Microbiota And Charge Up Anti-Obesity Effects
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Supplementation with Ca-HMB and vitamin D3 enhanced muscle function and strength in older adults.
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Creatine As An Energy Source And Muscle Loss Prevention Agent During Fasting