The science behind the products

Daily Pack 94 · the morning sachet

The day begins. The body recharges.

Daily Pack 94

Vitamins and minerals · strawberry flavor, sugar-free

  • 13ingredients
  • 1 sachetin the morning, in 200–300 ml of water
  • 21 sachetsin a box · strawberry flavor
  • 100%vegan, sugar-free, and GMO-free

Подпомага

  • Energy and tone for the day
  • The immune system
  • The nervous system and focus

Какво има вътре

  • B-complex + Ginseng — energy vitamins plus adaptogens for fatigue
  • D3 + K2 + zinc + selenium — immunity and antioxidant protection
  • Myo-inositol — clarity and mood balance
Защо сутринIn the morning, the body needs to be activated. B vitamins and adaptogens go with the day, not the evening.

Vitamin B12 (cyanocobalamin)

Cyanocobalamin · Stable form, key in a plant-based diet

50 µg2000% NRV

Допринася за · EFSA

  • Reduction of tiredness and fatigue
  • Normal nervous system function
  • Normal red blood cell formation

Защо е в едно саше с

  • Vitamin B6 and B1 — together for nerves and energy
  • Siberian ginseng — caffeine-free energy boost
  • Myo-inositol — focus and clarity throughout the day
Защо сутринThe "energy" vitamin starts with the day, not the evening.

Vitamin B1 (thiamine hydrochloride)

Thiamine hydrochloride · Water-soluble, rapidly absorbed form

1.1 mg100% NRV

Допринася за · EFSA

  • Normal energy metabolism
  • Normal nervous system function
  • Normal cardiac function

Защо е в едно саше с

  • Niacin (B3) and B12 — they cover several steps of converting food into energy
  • Myo-inositol — nervous system support from the morning
Защо сутринB1 ignites energy metabolism just as the day begins.

Vitamin B3 (niacin)

Niacin · B-group vitamin at reference daily intake

16 mg100% NRV

Допринася за · EFSA

  • Normal energy metabolism
  • Reduction of tiredness and fatigue
  • Normal nervous system function

Защо е в едно саше с

  • B1, B5 and B12 — B-complex works as a team for energy
  • Siberian ginseng — more vitality, less fatigue
Защо сутринFatigue hits early in the day.

Vitamin B5 (pantothenic acid)

Pantothenic acid · Stable, highly bioavailable form

6 mg100% NRV

Допринася за · EFSA

  • Normal energy-yielding metabolism
  • Normal mental activity
  • Reduction of tiredness and fatigue

Защо е в едно саше с

  • The entire B-complex — total energy metabolism
  • Myo-inositol — focus and mental clarity in the morning
Защо сутринSupports mental activity for the day ahead.

Vitamin B6 (pyridoxine hydrochloride)

Pyridoxine hydrochloride · Classic, well-researched form

1.4 mg100% NRV

Допринася за · EFSA

  • Normal nervous system function
  • Regulation of hormonal activity
  • Reduction of tiredness and fatigue

Защо е в едно саше с

  • B12 and myo-inositol — nervous system and mood
  • Zinc — both are involved in dozens of enzymatic processes
Защо сутринSupports the nervous system and hormonal rhythm during the active part of the day.

Myo-inositol (vitamin B8)

Myo-inositol · The natural isomer with the most clinical data

200 mgв едно саше

Подпомага

  • Metabolic and cellular balance
  • Nerve function and mood
  • Insulin sensitivity

Защо е в едно саше с

  • B-complex — together for nervous system and focus
  • Zinc — metabolic support
Защо сутринIt is associated with clarity and mood balance throughout the day.

Vitamin D3 (cholecalciferol)

Cholecalciferol (D3) · The form with the best increase in blood levels

20 µg400% NRV · 800 IU

Допринася за · EFSA

  • Normal immune system function
  • Normal muscle function
  • Normal absorption of calcium and phosphorus

Защо е в едно саше с

  • Vitamin K2 (MK-7) — D3 absorbs calcium, K2 directs it to the bones
  • Zinc and selenium — general immune support
  • Magnesium in the evening — it is needed for the activation of D3 in the body
Защо сутринThe "sunshine" vitamin logically belongs at the start of the day.

Vitamin K2 (MK-7)

Menaquinone-7 (MK-7) · Long-chain form with a long half-life and high bioavailability

50 µg67% NRV

Допринася за · EFSA

  • Maintenance of normal bone condition
  • Normal blood clotting

Защо е в едно саше с

  • Vitamin D3 — the classic pair for "calcium trafficking"
  • Calcium at lunch — K2 directs calcium where it needs to go.
Защо сутринIt works in tandem with D3 and is taken with food.

Vitamin A (retinyl palmitate)

Retinyl palmitate · Stable form, fat-soluble

500 µg62.5% NRV

Допринася за · EFSA

  • Normal immune system function
  • Maintaining normal vision
  • Maintaining a healthy skin condition

Защо е в едно саше с

  • Zinc — it is necessary for the transport of vitamin A
  • Vitamin E and selenium — total antioxidant protection
Защо сутринBest taken with the first meal of the day.

Vitamin E (D-alpha-tocopheryl acetate)

D-alpha tocopheryl acetate · The natural "D" form, more bioactive than the synthetic "DL"

1.8 mg15% NRV

Допринася за · EFSA

  • Protection of cells from oxidative stress

Защо е в едно саше с

  • Selenium — Vitamin E and selenium act in the same antioxidant pathway
  • Vitamin A — chain of antioxidants
Защо сутринProtection against oxidative stress is a daily need that starts with the day.

Selenium (L-selenomethionine)

L-selenomethionine · Organic form with better bioavailability than inorganic ones

5 µgв едно саше

Подпомага

  • Antioxidant protection
  • The immune system
  • Normal thyroid function

Защо е в едно саше с

  • Vitamin E — classic antioxidant tandem
  • Zinc and vitamin A — immune support
Защо сутринDaily antioxidant support from the start of the day.

Zinc (zinc citrate)

Zinc citrate · Highly absorbable, stomach-friendly form

50 mg citrate150% NRV

Допринася за · EFSA

  • Normal function of the immune system
  • Normal cognitive function
  • Protection of cells from oxidative stress

Защо е в едно саше с

  • Vitamin A — Zinc is needed for vitamin A metabolism.
  • Selenium — immune and antioxidant synergy
  • Zinc in the evening — intentionally divided into two doses for better absorption
Защо сутринImmune support is a daily routine that kickstarts the day.

Siberian ginseng (Eleutherococcus senticosus)

Root extract · Adaptogen with an activating profile

100 mgroot extract

Традиционно използван за

  • Resilience to physical and mental stress
  • General tone and work capacity

Защо е в едно саше с

  • B-complex — adaptogen plus vitamins against fatigue
  • Myo-inositol — vitality and mental clarity
Защо сутринActivating adaptogen. It should be taken in the morning, not in the evening.

Цел 6: Чиста вода и санитария · lunch sachet

Water hydrates. Electrolytes retain it.

Цел 6: Вода

Electrolyte mix with herbs · raspberry flavor, sugar-free

  • 7ingredients
  • 1 sachetat lunch or around the activity
  • 21 sachetsin a box · raspberry flavor
  • 0sugar · caffeine

Подпомага

  • Hydration and electrolyte balance
  • Muscle function during exercise
  • Tone and endurance

Какво има вътре

  • Electrolytes + taurine — water enters and remains in the cells
  • Potassium + calcium + magnesium — neuromuscular balance
  • Vitamin C + Leuzea — antioxidant protection and tone
Защо обядDuring the day, you lose fluids and salts through sweat, stress, and activity. Lunch is the time to replenish them before fatigue sets in.

Electrolyte mix

Electrolyte salt mixture · Fast-dissolving, for rapid rehydration

1000 mgsodium · magnesium · calcium · chloride

Допринася за · EFSA

  • Electrolyte balance
  • Normal muscle function
  • Normal nervous system function

Защо е в едно саше с

  • Taurine — supports the entry and retention of water in the cells
  • Potassium — The sodium/potassium pair regulates the water balance.
Защо обядDuring the day, you lose fluids and salts through sweat and activity. Lunch is the time to replenish them.

Magnesium (magnesium citrate)

Magnesium citrate · One of the most soluble and highly bioavailable forms

125 mgв едно саше

Допринася за · EFSA

  • Electrolyte balance
  • Reduction of tiredness and fatigue
  • Normal muscle function

Защо е в едно саше с

  • Potassium and calcium — neuromuscular balance trio
  • Taurine — together for cellular hydration
  • Magnesium in the evening — the lunch one is for balance during the day, the evening one is for sleep
Защо обядThe midday magnesium is for daytime endurance. For sleep, use the evening dose in Magne Master 8.

Calcium (calcium citrate)

Calcium citrate · It is well absorbed and independent of gastric acid.

195 mg24% RI

Допринася за · EFSA

  • Normal muscle function
  • Normal nerve impulse transmission

Защо е в едно саше с

  • Magnesium — Calcium and magnesium balance muscle contraction and relaxation.
  • Potassium — general neuromuscular function
  • D3 and K2 in the morning — absorb calcium and direct it to the bones
Защо обядSupports muscle contraction during the most active part of the day.

Potassium (potassium citrate)

Potassium citrate · Highly soluble, stomach-friendly form

100 mgв едно саше

Подпомага

  • Neuromuscular balance
  • Cell water balance

Защо е в едно саше с

  • Sodium — The potassium/sodium pump moves water into and out of the cell.
  • Magnesium and calcium — muscle trio
Защо обядPotassium is key for muscles during daily exertion and heat.

Vitamin C (ascorbic acid)

Ascorbic acid · The pure, reference form of vitamin C

100 mg125% NRV

Допринася за · EFSA

  • Normal immune system function
  • Reduction of tiredness and fatigue
  • Protection of cells from oxidative stress

Защо е в едно саше с

  • Taurine and leuzea — antioxidant and recovery support during exertion
  • Electrolytes — comprehensive support during sweat and activity
Защо обядAntioxidant support exactly when the day and activity are at their peak.

Taurine

L-Taurine · Free amino acid, highly concentrated in the muscles

500 mgв едно саше

Подпомага

  • Cellular hydration
  • Load endurance
  • Recovery after activity

Защо е в едно саше с

  • Electrolytes — Taurine helps retain water in the cells
  • Vitamin C and leuzea — tone and recovery
Защо обядTaurine is about activity and fluid loss.

Maral root (Rhaponticum carthamoides)

Maral root extract · Source of ecdysterone

50 mgroot extract

Традиционно използван за

  • Adaptation to physical and mental stress
  • General tone and endurance

Защо е в едно саше с

  • Taurine and vitamin C — muscle tone and recovery during exertion
  • Electrolytes — general activity support
Защо обядActivating adaptogen, suitable for the daytime, not the evening phase.

Magne Master 8 · the evening sachet

The tension is subsiding. The body is recovering.

Magne Master 8

Magnesium amino acid complex · blackberry flavor, sugar-free

  • 90 mgelemental magnesium
  • 3 formscitrate · bisglycinate · taurate
  • 1 sachetevening, in 200–300 ml of water
  • 21 sachetsin a box · blackberry flavor

Подпомага

  • The nervous system and calmness
  • Sleep quality
  • Muscle recovery after exercise

Какво има вътре

  • Three forms of magnesium — citrate for muscles, bisglycinate for sleep, taurate for calmness
  • Vitamin B6 — the cofactor that unlocks magnesium
  • Glycine, glutamine, citrulline — amino acids for nighttime recovery
Защо вечерThe body does not need the same things at 8 a.m. and at 10 p.m. In the evening, it recovers, and this sachet gives it exactly that.

Magnesium citrate

Magnesium citrate · High solubility and bioavailability, superior to oxide

312 mgpart of a complex with 90 mg of elemental Mg

Допринася за · EFSA

  • Normal muscle function
  • Reduction of tiredness and fatigue
  • Normal nervous system function

Защо е в едно саше с

  • Bisglycinate and taurate — the three forms cover muscles, sleep, and calmness
  • Vitamin B6 — supports the absorption and action of magnesium
Защо вечерHelps muscles recover and relax after the day.

Magnesium bisglycinate

Magnesium bisglycinate · Chelated, stomach-friendly form

182 mgpart of a complex with 90 mg of elemental Mg

Допринася за · EFSA

  • Normal nervous system function
  • Normal mental function
  • Reduction of tiredness and fatigue

Защо е в едно саше с

  • Glycine 1000 mg — double support for restful sleep
  • Vitamin B6 — supports magnesium absorption
  • 2 more forms of magnesium — citrate and taurate, three pathways of absorption
Защо вечерThe gentle form supports relaxation and falling asleep. It belongs in the evening, not in the morning with your vitamins.

Magnesium taurate

Magnesium taurate · Magnesium taurate, well-tolerated

250 mgpart of a complex with 90 mg of elemental Mg

Допринася за · EFSA

  • Normal nervous system function
  • Normal mental function
  • Normal muscle function

Защо е в едно саше с

  • Citrate and bisglycinate — The three forms cover more needs
  • Glycine and B6 — soothing evening profile
Защо вечерThe combination with taurine supports calmness before sleep.

Vitamin B6 (pyridoxine hydrochloride)

Pyridoxine hydrochloride · Magnesium absorption cofactor

1.5 mg107% NRV

Допринася за · EFSA

  • Normal nervous system function
  • Reduction of tiredness and fatigue
  • Normal mental function

Защо е в едно саше с

  • The three forms of magnesium — B6 supports absorption and enhances the anti-stress effect
  • Glycine — peaceful evening
Защо вечерB6 is involved in the synthesis of calming neurotransmitters.

Zinc (zinc citrate)

Zinc citrate · Highly bioavailable, gentle form

10 mg citrate30% NRV

Допринася за · EFSA

  • Normal immune system function
  • Protection of cells from oxidative stress
  • Normal cognitive function

Защо е в едно саше с

  • Magnesium and B6 — minerals and cofactor for recovery
  • L-glutamine — recovery support
  • Zinc in the morning — the second, smaller dose for better absorption
Защо вечерThe night is the primary time for recovery.

Citrulline DL-malate

Citrulline DL-malate · Citrulline malate

1000 mgв едно саше

Подпомага

  • Blood circulation and oxygen delivery to the muscles
  • Muscle recovery after exercise

Защо е в едно саше с

  • L-Glutamine — The two amino acids support recovery.
  • Magnesium — muscle relaxation and recovery
Защо вечерRecovery happens overnight.

Glycine

Glycine · Free amino acid, inhibitory neurotransmitter

1000 mgв едно саше

Подпомага

  • Easier falling asleep
  • Sleep quality
  • The feeling of being well-rested

Защо е в едно саше с

  • Magnesium bisglycinate — synergy for relaxation and sleep
  • L-glutamine and citrulline — nighttime recovery
Защо вечерGlycine slightly lowers body temperature and shortens the time it takes to fall asleep.

L-glutamine

L-glutamine · The most abundant free amino acid in muscles

1000 mgв едно саше

Подпомага

  • Muscle recovery after exercise
  • Intestinal mucosa
  • Immune function

Защо е в едно саше с

  • Citrulline malate — post-workout recovery tandem
  • Zinc — recovery and immunity
Защо вечерThe night is for recovery. Glutamine works while you sleep.

Synergy and Ingredients' Action

Vitamins and Metabolic Balance

Modern science identifies hundreds of benefits from the correct balance of mineral and vitamin levels in the human body. The optimal quantities in our products guarantee the exact levels you need for a healthy lifestyle.

An analysis of 16 clinical studies confirms that B-complex (B1, B3, B5, B6, B12) significantly improves stress resistance and mood by optimizing energy metabolism in cells.

Scientific study:
https://pmc.ncbi.nlm.nih.gov/articles/PMC4846521/#:~:text=The%20earliest%20and%20perhaps%20best,AD%20patients%20and%20by%20thiamine

A University of Reading study (2022) links high doses of vitamin B6 to increased production of GABA – the main calming neurotransmitter, leading to a noticeable reduction in anxiety and depressive symptoms.

Research:
https://www.reading.ac.uk/news/2022/Research-News/Vitamin-B6-could-reduce-anxiety-and-depression#:~:text=%E2%80%9CVitamin%20B6%20helps%20the%20body,%E2%80%9D

Myo-inositol (B8) serves as a key second messenger for insulin and thyroid hormones. It improves insulin sensitivity and normalizes metabolic processes, supporting cellular signaling.

Scientific research:
https://pmc.ncbi.nlm.nih.gov/articles/PMC5655679/#:~:text=Myo,23

A medical review (2017) concludes that the combined intake of D3 and K2 is more effective for bone density and heart health than their individual intake, by directing calcium correctly and preventing arterial calcification.

Scientific research:
https://www.mdpi.com/2072-6643/16/15/2420#:~:text=dietary%20adequacy%20of%20vitamin%20K,in%20bone%20health%20is%20needed

Reducing cortisol and stress levels

Magnesium and the Nervous System

Science has long studied the different levels of absorbability and action of magnesium forms. We have chosen the three most proven forms and combined them into a unique product.

A study by the University of Baghdad (2024) shows that magnesium taurate intake significantly lowers blood pressure and cortisol levels (the stress hormone). This form improves mineral balance, supporting the cardiovascular and nervous systems.

Scientific research:
https://jcopew.uobaghdad.edu.iq/journal/vol23/iss1/13/#:~:text=by%20using%20electrolyte%20analyzer%20,a%20significant%20reduction%20in%20serum

Scientists from Leibniz University (2025) prove that magnesium bisglycinate significantly improves sleep quality and reduces insomnia (ISI index). This is one of the most gentle and bioavailable forms for calming the nervous system in the evening.
Scientific study:
https://pmc.ncbi.nlm.nih.gov/articles/PMC12412596/#:~:text=The%20magnesium%20bisglycinate%20group%20showed,observed%20in%20other%20psychological%20outcomes

Italian researchers (2024) found that magnesium citrate reduces muscle soreness and protects cells from damage after intense exercise, improving overall athletic performance.

Scientific study:
https://pmc.ncbi.nlm.nih.gov/articles/PMC11227245/#:~:text=These%20studies%20showed%20that%20MgS,protective%20effect%20on%20muscle%20damage

Nutrient Density Equivalent %

Immune support and minerals

Modern industry has changed the main sources of vitamins and minerals - food and drinks. Increasing amounts of preservatives and decreasing bioavailability of beneficial substances lead to a decline in the body. Therefore, support with optimal intake in the form of food supplements improves the quality of life.

Studies show a dual benefit from zinc: a Cochrane review (2023) confirms the shortening of viral symptoms, while Japanese research (2010) proves that zinc reduces feelings of anger and improves emotional status.

Scientific research:
https://pmc.ncbi.nlm.nih.gov/articles/PMC2277319/#:~:text=Zinc%20affects%20multiple%20aspects%20of,induced%20injury%20during%20inflammatory%20processes

Selenium is critical for the conversion of T4 hormones into T3. Clinical data shows that it significantly lowers antibodies in Hashimoto's (anti-TPO), reducing inflammation in the thyroid gland.

Scientific research:
https://pmc.ncbi.nlm.nih.gov/articles/PMC11939285/#:~:text=Selenium%20plays%20an%20indispensable%20role,care%20units%20and%20higher%20mortality

Vitamin A is vital for immunity and vision, while Vitamin E protects cell membranes from oxidative stress and improves the immune response in the elderly.

Scientific research:
https://pmc.ncbi.nlm.nih.gov/articles/PMC11891505/#:~:text=Vitamin%20E%2C%20primarily%20in%20its,balance%2C%20as%20Vitamin%20E%27s%20beneficial

Reduce muscle pain and discomfort by up to -40%

Amino acids, herbs, and adaptogens

Natural extracts can significantly aid recovery from sports or a busy daily life. The most important of these are included in the products from the S8 protocol!

Description: A University of Cordoba study (2010) found that citrulline malate increased anaerobic endurance by ~50% and reduced muscle soreness by ~40% within 48 hours of exercise.

Scientific Research:
https://pubmed.ncbi.nlm.nih.gov/20386132/#:~:text=the%20number%20of%20sets%2C%20achieving,Thus%2C%20athletes%20undergoing%20intensive%20preparation

Description: A 2021 review classified Siberian ginseng as a safe adaptogen that improves cognitive function and endurance, helping the body cope with physical and mental stress.

Scientific research:
https://pmc.ncbi.nlm.nih.gov/articles/PMC12195798/#:~:text=This%20comprehensive%20review%20focuses%20on,which%20contribute%20to%20health%20benefits

Description: The active ingredient ecdysterone supports protein synthesis and the increase of muscle mass naturally, without affecting the hormonal balance, acting as a powerful anabolic agent.

Scientific study:
https://pubmed.ncbi.nlm.nih.gov/31123801

Description: Glycine improves sleep architecture and the feeling of being well-rested, while L-glutamine is essential for muscle recovery and immune function during periods of stress.

Scientific research:
https://pubmed.ncbi.nlm.nih.gov/21206303/

Electrolytes and hydration

Description: Research shows that electrolyte solutions retain fluids more effectively than water and prevent muscle cramps. Potassium and calcium in citrate form ensure optimal neuromuscular conduction.

Scientific study:
https://pmc.ncbi.nlm.nih.gov/articles/PMC8803723

Description: Taurine acts as an osmoregulator and improves endurance, while Vitamin C protects cells from oxidative stress during intense sports.

Scientific study:
https://pubmed.ncbi.nlm.nih.gov/33657361

Description: The active ingredient ecdysterone supports protein synthesis and the increase of muscle mass naturally, without affecting hormonal balance, acting as a powerful anabolic agent.

Scientific study:
https://pubmed.ncbi.nlm.nih.gov/31123801

Description: Glycine improves sleep architecture and the feeling of being well-rested, while L-glutamine is essential for muscle recovery and immune function during periods of stress.

Scientific study:
https://pubmed.ncbi.nlm.nih.gov/21206303/

Dr. Dimitar Yanev

"When the ingredients are combined correctly and their quantities are optimal - one product can replace dozens of others. In this case, 3 sachets a day are enough for any purpose and need!"

Dr. Julia Stoeva

"Stoitchkov Nutrition relies on highly absorbable formulas. This is important for people who are looking for a sustainable approach. Products that are sure to improve the quality of life!"

Iliyan Naydenov

"The products are practical and convenient for an active lifestyle. I like that they are adapted to people's real daily lives. Whether you're traveling, working, or exercising - it's always convenient to have a dose at hand."

Pavlin Marinov

"The market has long needed products that are suitable for everyone - from teenagers to the elderly. This is what distinguishes quality and safety from the mediocre!"

Krasi Balakov

"I'm impressed by the focus on quality and control. This is the foundation of trust in any brand. These 3 key products replace over 10 other food supplements, and that saves a lot!"

Created to improve the quality of life!

Laboratory tested

Each formula undergoes laboratory control to ensure quality and purity in every batch.

Certified products

Production meets established safety and control standards. Products are certified according to ISO, SGS, and HACCP.

GMO and Preservative Free

Focus on clean formulas, free from genetically modified ingredients and unnecessary preservatives.

Fast absorption

The formulas are designed to dissolve easily and to be gentle on the stomach and intestines.

Vegan products

All products are entirely compliant with vegetarian and vegan dietary preferences.

Proven results

Recipes with precise quantities of synergistic ingredients for maximum results, without excess.

Stoitchkov Nutrition's S8 Protocol is not just a collection of ingredients, but a scientifically proven system for optimization. Every element – from the magnesium matrix to the adaptogens – has been selected based on clinical data for synergy, bioavailability, and real results. This is the care that supports your body every day, long-term and without compromise.

Get the S8 package