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SainBOOST B-Complex — High-Potency Metabolic Fuel and Nervous System Support
SainBOOST B-Complex — High-Potency Metabolic Fuel and Nervous System Support
SainBOOST B-Complex — High-Potency Metabolic Fuel and Nervous System Support
SainBOOST B-Complex — High-Potency Metabolic Fuel and Nervous System Support
SainBOOST B-Complex — High-Potency Metabolic Fuel and Nervous System Support
SainBOOST B-Complex — High-Potency Metabolic Fuel and Nervous System Support
SainBOOST B-Complex — High-Potency Metabolic Fuel and Nervous System Support
SainBOOST B-Complex — High-Potency Metabolic Fuel and Nervous System Support
SainBOOST B-Complex — High-Potency Metabolic Fuel and Nervous System Support
SainBOOST B-Complex — High-Potency Metabolic Fuel and Nervous System Support
SainBOOST B-Complex — High-Potency Metabolic Fuel and Nervous System Support
SainBOOST B-Complex — High-Potency Metabolic Fuel and Nervous System Support
SainBOOST B-Complex — High-Potency Metabolic Fuel and Nervous System Support
SainBOOST B-Complex — High-Potency Metabolic Fuel and Nervous System Support

SainBOOST B-Complex — High-Potency Metabolic Fuel and Nervous System Support

60 capsules – 2 months supply

  • $23.75

"Exactly what I needed ! I’m 38 and used to crash hard every afternoon. Since taking SainBoost, my energy feels steady and I can focus through the day without the coffee jitters." Luis

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A clean, 60-day protocol for sustained cellular energy and cognitive resilience.

 

The body does not store B-vitamins; it consumes them.

Modern lifestyles—characterized by high stress, physical output, and cognitive demands—rapidly deplete these essential micronutrients. When B-vitamin levels drop, cellular energy production falters, leading to "brain fog" and persistent fatigue that caffeine cannot fix.

SainBOOST is a laboratory-grade B-Complex formulated without synthetic flow agents or unnecessary fillers. It provides the precise biological spark plugs your cells require to convert nutrients into steady, stimulant-free energy.

 

SainBOOST targets the three primary systems responsible for daily performance:

  • CELLULAR METABOLISM: High-potency B12 (Cobalamin) and B6 act as critical enzymes to optimize energy synthesis, eliminating the mid-day "metabolic crash."

  • NEURO-COGNITIVE FUNCTION: Supports the production of essential neurotransmitters to maintain focus, executive function, and mental clarity under high-pressure environments.

  • NERVOUS SYSTEM RESILIENCE: A strategic blend of Folate and B-vitamins to support adrenal health and stabilize the body’s response to psychological and physical stressors.

 

Integrity in every capsule.

 In an industry filled with synthetic binders, we prioritize physiological safety. Our B-Complex is engineered for those who refuse to compromise on what enters their body.

  • Clean Label Protocol: 0% Magnesium Stearate. 0% Silica. 0% Artificial Colors.

  • Extended Biological Support: Each bottle provides a comprehensive 60-day supply, ensuring consistent metabolic alignment through two full cellular cycles

  • Verified Quality: Manufactured in a GMP-certified facility and third-party tested in the USA for absolute purity.

 

Invest in your biological foundation. Don't just mask fatigue. Optimize the systems that prevent it. 

SainBOOST is the honest, high-potency choice for the discerning individual who values both purity and performance.


Take 1 capsule daily, ideally during your first meal, or as directed by your healthcare provider.

As B-vitamins are essential for energy metabolism, morning administration is recommended to align with your natural circadian rhythm.

At Sainvanilla, we believe that what we leave out is just as important as what we put in.

In an industry that relies on synthetic flow agents to speed up machines, we choose a cleaner path. We’ve eliminated the controversial additives used to cut costs, focusing instead on ingredient transparency.

What we refuse to use (and why):

  • NO Magnesium Stearate: A synthetic lubricant we’ve replaced with L-Leucine (an essential amino acid) to ensure clean encapsulation.
  • NO Silica (Silicon Dioxide): An unnecessary anti-caking agent. We believe in keeping your formula 100% transparent.
  • NO Synthetic Dyes: We deliver potency and purity, not artificial aesthetics.

What we choose instead:

  • Plant-Based Foundation: We use vegetarian capsules and microcrystalline cellulose (plant fiber) to ensure stability and safety.
  • Proven Stability: We utilize globally recognized, high-potency vitamin forms to ensure consistent results every single day.

Discover exactly what's inside each capsule of Sainboost B‑Complex. We’re committed to full transparency — no hidden ingredients, no unnecessary fillers. Here’s the full breakdown of nutrients, dosages, and daily values per serving.

 

SUPPLEMENT FACTS – Sainboost B-Complex

Serving Size: 1 capsule – Servings per container: 60

 

Ingredient Amount per Serving % Daily Value
Thiamin (as Thiamin Mononitrate) 75 mg 6250%
Riboflavin 75 mg 5769%
Niacin (as Niacinamide) 75 mg 469%
Vitamin B6 (as Pyridoxine HCl) 75 mg 4412%
Folate (400 mcg Folic Acid) 666.7 mcg DFE 167%
Vitamin B12 (as Cyanocobalamin) 75 mcg 3125%
Biotin 300 mcg 1000%
Pantothenic Acid (as d-Calcium Pantothenate) 75 mg 1500%
Choline (as Choline Bitartrate) 75 mg 14%
PABA 75 mg *
Inositol 75 mg *

Other ingredients: Hypromellose (capsule), vegetarian leucine, microcrystalline cellulose.

No compromises: No unnecessary additives, preservatives, artificial flavors, colors, or sweeteners.

Made in the USA in a GMP-certified facility.

You can also view the full Supplement Facts image in the product gallery above.

Your order is packed with care and ships directly from the USA — same day whenever possible.

Shipping typically takes 2 to 5 business days, depending on your location.

✨ Shipping cost is optimized at checkout to ensure the best possible rate.

📦 Free shipping is automatically applied on all orders over $50.

We’ll send you a tracking number as soon as your order is on its way — so you can follow it every step of the journey.

SainBOOST B-Complex — High-Potency Metabolic Fuel and Nervous System Support

$23.75

PURE-POWERFUL- NOTHING UNNECESSARY

Your body deserves the best. We've removed everything else.
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See How sainboost transformed her daily energy- naturally

Real results. real people.

One of the many messages we receive from customers who added Sainboost to their daily routine.
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Who is it for?

 SainBoost is made for active, driven individuals who want to feel energized, focused, and calm without relying on caffeine or harsh stimulants.

Whether you lift, run, surf, stretch, or simply want to stay sharp and balanced through your day, this Clean B-complex helps your body perform and recover naturally.Perfect for anyone committed to a healthy, conscious lifestyle and long-lasting vitality.

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Why Sainvanilla?

At Sainvanilla, we prioritize clean, effective nutrition. Our SAINBOOST B-Complex Vitamins is formulated with pure, highly bioavailable ingredients to ensure your body absorbs and uses each nutrient effectively.

We’re here to support your active lifestyle—without compromise.   

Push your limits. Energize your body. Sharpen your mind. Recover faster.

Choose SAINBOOST — clean fuel for sustained energy,mental clarity, and peak performance

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Benefits

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Energy Production & Endurance

B1 (Thiamine), B2 (Riboflavin), and B3 (Niacin) work synergistically to support energy metabolism, helping you push harder and go further in your workouts.

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Enhanced Muscle Recovery

B5 (Pantothenic Acid) and B6 (Pyridoxine HCI) aid in muscle recovery and repair, reducing downtime between sessions.

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Cognitive Focus

Choline Bitartrate and Inositol support brain health, focus, and mental clarity, essential for mastering your sport and staying in the zone.

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Stress & Fatigue Reduction

Folate and B12 (Cyanocobalamin) help combat fatigue and support a healthy nervous system, keeping you balanced and ready for anything.

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Healthy Skin, Hair & Nails

Biotin and PABA promote vibrant skin, strong nails, and healthy hair, ideal for athletes exposed to the elements.

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Clean & Pure:

Encased in a vegetarian capsule with absolutely no fillers, or unnecessary additives. Just pure, high-quality, bioavailable B vitamins

Our Clean Choices

Not all supplements are created equal. Here's how Sainvanilla stands out—and what we use instead to keep our formulas clean and effective.

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SainBoost B-Complex
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What we say NO to
Magnesium Stearate
Not used
Common lubricant / filler
Stearic Acid
Not used
Common flow agent
Silicon Dioxide (Silica)
Not used
Anti-caking agent
Titanium Dioxide
Not used
Artificial white pigment
PEG (Polyethylene Glycol)
Not used
Used as coating/stabilizer
Croscarmellose Sodium
Not used
Disintegrant to break tables apart
Ascorbyl Palmitate
Not used
Synthetic antioxidant
Calcium Carbonate
Not used
Low-absorption filler
Calcium Laurate
Not used
Lubricant
Annatto / Lycopene
Not used
Capsule coloring agents

WHAT WE USE INSTEAD

Microcrystalline Cellulose

Used minimally-necessary for proper capsule content

Hypromellose (HPMC)

Used-plant based vegan capsule

Vegetarian Leucine

Used minimally-for clean, natural and even capsule content

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