Vitamin A and foundational immune support
NIH notes that Vitamin A is involved in immune function, cellular communication, growth and development, and reproduction. This supports Essentials’ foundational wellness and immune-support positioning.
About this product
The Healthy Gut Girl Essentials Smart Stack is the foundational daily nutrient stack in the Healthy Gut Girl x Monthlees collection.
With fat-soluble vitamins A, D3, E, and K2, Methylated B Vitamins, Vitamin C, Magnesium Glycinate, and Zinc Picolinate, Essentials helps create a strong baseline for whole-body wellness.
This is the “start here” stack — designed to support immune function, antioxidant protection, energy metabolism, mineral balance, and daily nutrient coverage without overcomplicating your routine.
Essentials gives you a simple daily foundation that pairs well with more targeted Smart Stacks like EstroClear, Metabolic, Restore+, and Vitality.
Suggested use
About monthlees
The supplement industry is built on inflated pricing, confusing labels, and aggressive marketing.
Monthlees exists to fix that.
We believe:
- Supplements should be clinically dosed
- Pricing should be transparent
- Testing should be independent
- And customers shouldn't pay for influencer commissions or retail margins
Instead of hiding costs inside the product price, we use a simple membership model — so you pay what supplements actually cost to make.
Shipping & returns
• Shipping: Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days depending on your location.
• Returns: You may return or exchange products within 30 days of receiving your order. Items must be in original condition with proof of purchase.
If your item is defective or damaged due to manufacturing issues, we’ll gladly replace it at no additional cost.
30 Day Money Back Guarantee
What's in Essentials Smart Stack Daily Foundations?
- Fat-soluble vitamins A, D3, E, and K2 for foundational wellness
- Methylated and active-form B vitamins for energy metabolism and methylation support
- Vitamin C 1,000 mg for antioxidant and immune support
- Magnesium Glycinate for mineral replenishment
- Zinc Picolinate 25 mg for immune, cellular, and mineral support
Supplement Facts
Essentials Smart Stack
Supplement Facts
Amount Per Serving
% DV
Vitamin A (as Retinyl Acetate)
600 mcg RAE
67%
Vitamin D3 (as Cholecalciferol)
125 mcg
625%
Vitamin E (as d-Alpha Tocopherol Succinate)
33.5 mg
223%
Vitamin K2 (as Menaquinone-4 / MK-4)
1,000 mcg
†
Vitamin K2 (as Menaquinone-7 / MK-7)
100 mcg
†
Vitamin B1 (as Benfotiamine)
25 mg
2,083%
Riboflavin (as Riboflavin-5-Phosphate)
20 mg
1,538%
Vitamin B3 (as Niacinamide 60 mg, Nicotinic Acid 15 mg)
75 mg
469%
Vitamin B6 (as Pyridoxal-5-Phosphate Monohydrate)
10 mg
588%
Folate (as 5-Methyltetrahydrofolate Calcium)
400 mcg DFE
100%
Biotin
300 mcg
1,000%
Pantothenic Acid (as D-Calcium Pantothenate)
50 mg
1,000%
Vitamin C (as Ascorbic Acid)
1,000 mg
1,111%
Magnesium Glycinate
133 mg
†
Magnesium
26.6 mg
6%
Zinc (as Zinc Picolinate)
25 mg
227%
Free of
- Artificial colors
- Artificial flavors
- Added sugar
- Caffeine
- Hidden proprietary blends
Diet friendly
- Daily wellness routines
- Foundational nutrient routines
- Energy metabolism support routines
- Immune-support routines
- Healthy Gut Girl Smart Stack systems
Build the foundation before chasing the symptoms.
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Fat-soluble vitamins
Vitamins A, D3, E, and K2 support foundational wellness, immune function, antioxidant status, and bone-related pathways.
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Methylated B Vitamins
Active-form B vitamins support energy metabolism, methylation, and cellular function.
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Vitamin C
Vitamin C supports antioxidant defense, immune function, collagen formation, and daily cellular protection.
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Magnesium + Zinc
Two essential minerals included for broad support across energy, immune, hormone-adjacent, and enzymatic pathways.
How it works
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Step 1: Cover the basics
Take your daily serving with food to support foundational vitamin and mineral status.
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Step 2: Support daily systems
Fat-soluble vitamins, B vitamins, Vitamin C, Magnesium, and Zinc support energy metabolism, immune health, antioxidant defense, and cellular function.
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Step 3: Build your baseline
With consistent use, Essentials helps create a simple nutrient foundation that pairs well with more targeted Smart Stacks.
Supplement facts
Daily foundations — vitamins, minerals, and energy cofactors
Vitamin A
Retinyl Acetate
600 mcg RAE
67%
Vitamin D3
Cholecalciferol
125 mcg
625%
Vitamin E
d-Alpha Tocopherol Succinate
33.5 mg
223%
Vitamin K2
MK-4
1,000 mcg
†
Vitamin K2
MK-7
100 mcg
†
† Daily Value not established. Take with food containing some dietary fat to support absorption.
Vitamin B1
Benfotiamine
25 mg
2,083%
Riboflavin
Riboflavin-5-Phosphate
20 mg
1,538%
Vitamin B3
Niacinamide + Nicotinic Acid
75 mg
469%
Vitamin B6
Pyridoxal-5-Phosphate
10 mg
588%
Folate
5-Methyltetrahydrofolate Calcium
400 mcg DFE
100%
Biotin
—
300 mcg
1,000%
Pantothenic Acid
D-Calcium Pantothenate
50 mg
1,000%
Percent Daily Values are based on a 2,000 calorie diet.
Vitamin C
Ascorbic Acid
1,000 mg
1,111%
Zinc
Zinc Picolinate
25 mg
227%
Percent Daily Values are based on a 2,000 calorie diet.
Magnesium Glycinate
20% Magnesium
133 mg
†
Magnesium
Elemental
26.6 mg
6%
Confirm final elemental magnesium value on label before publishing.
Evidence-based ingredients
The science behind the ingredients
Essentials is built around foundational micronutrients with well-established roles in human health. Vitamins A, C, D, E, K, B vitamins, Magnesium, and Zinc support core systems including immune function, antioxidant defense, cellular energy metabolism, mineral balance, and whole-body wellness. Because this is a foundational stack, the strongest claims are broad daily nutrient support and baseline wellness rather than acute symptom claims.
5,000 IU
Vitamin D3 per serving
1,000 mg
Vitamin C per serving
25 mg
Zinc Picolinate per serving
Vitamin D and calcium absorption
NIH notes that Vitamin D promotes calcium absorption and helps maintain adequate calcium and phosphate concentrations for normal bone mineralization. This supports the fat-soluble foundation angle while requiring clear guidance around high-dose Vitamin D stacking.
Vitamin C, antioxidant defense, and immune function
NIH describes Vitamin C as an antioxidant nutrient involved in immune function and collagen synthesis. This supports Essentials’ antioxidant, immune, and cellular protection positioning.
Micronutrients and energy, fatigue, and cognition
A review highlights the roles of B vitamins, Vitamin C, Magnesium, and Zinc in molecular and cellular processes related to energy, cognition, and fatigue when nutrient status is not adequate. This supports Essentials’ energy-metabolism and baseline nutrient-status positioning.
B vitamins and cellular energy production
A review explains that one or more B vitamins are involved in every aspect of the essential catabolic process of generating energy within cells. This supports the active-form B-vitamin energy-metabolism story.
Compare Essentials
How Essentials stacks up against typical daily multis
Many daily multis try to do everything at once with long labels and low-dose extras. Essentials focuses on the core nutrient baseline: fat-soluble vitamins, active-form B vitamins, Vitamin C, Magnesium Glycinate, and Zinc Picolinate.
Typical daily multivitamin |
||
|---|---|---|
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Formula philosophy
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Foundational daily nutrient baseline
|
Often broad but shallow multi-ingredient blend
|
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Fat-soluble vitamins
|
A, D3, E, K2 as MK-4 + MK-7
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Often includes fewer forms or lower K2 detail
|
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B vitamin forms
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Methylated and active-form B vitamins
|
Often uses standard forms
|
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Mineral forms
|
Magnesium Glycinate + Zinc Picolinate
|
May use cheaper mineral forms
|
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Vitamin C dose
|
Vitamin C 1,000 mg
|
Often much lower
|
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Best use case
|
Start-here Smart Stack for daily support
|
General multi without a focused system
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Insider access to the world's best labs & supplement manufacturers.
Membership allows us to sell products for a fraction of the typical industry retail price. Think of it as an insider access pass to the warehouses of the supplement industry.
Monthlees members don't pay for:
- Middlemen
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The honest math on building your daily foundation
To recreate Essentials separately, you would typically need multiple products: a fat-soluble vitamin blend, a methylated B-complex, Vitamin C, Magnesium Glycinate, and Zinc Picolinate. Essentials puts the core baseline into one streamlined daily system.
| Treatment | Other guys | Monthlees |
|---|---|---|
| Typical separate-product stack Fat-soluble vitamins + methylated B-complex + Vitamin C + Magnesium Glycinate + Zinc Picolinate purchased separately | Multiple bottles / higher monthly cost | One Smart Stack |
| Monthlees member price Monthlees members get member-only discounts on all products in the catalog | $130–$150 | $74.95 |
Start your monthlees health journey with complete support
Your membership gives you access to better pricing, personalized guidance, and everything you need to build a healthy supplement & personal care routine that effortlessly fits your life.
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Member trust
Confidence built into every order
From clear member pricing to flexible subscriptions and responsible product standards, Monthlees is built to help you shop with confidence — without inflated markups, hidden tiers, or checkout surprises.
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Transparent product pricing
Every product shows clear pricing for guests and members, so you can compare your savings before you buy.
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Member savings applied automatically
When you’re signed in as a member, your eligible discounts are applied automatically at checkout.
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Subscriptions that stay flexible. Cancel anytime.
Start, pause, skip, or adjust product subscriptions from your account — without hidden hoops or confusing rules.
Frequently asked questions
Everything you need to know about Monthlees member pricing, subscriptions, and how checkout works.
Is Essentials the best stack to start with?
Yes. Essentials is the foundational daily stack in the Healthy Gut Girl collection. It is designed to support the basics before adding more targeted stacks like EstroClear, Metabolic, Restore+, or Vitality.
Can I take Essentials with the other Smart Stacks?
Possibly, but check for overlapping nutrients like Zinc, Magnesium, Vitamin D, Vitamin A, and B Vitamins. Do not stack multiple products blindly if they duplicate high-dose nutrients.
Why does Essentials include fat-soluble vitamins?
Vitamins A, D, E, and K play important roles in foundational wellness, immune function, antioxidant status, bone-related pathways, and whole-body support. Taking them with food that contains some dietary fat may support absorption.
Why I created monthlees...
When I was 19 years old, I was diagnosed with a brain tumor. That experience forced me to start asking deeper questions about how the human body actually works.
Over the next 18 months, I immersed myself in studying health, nutrition, and neuroscience — eventually earning my degree in Neuroscience from Duke University. Along the way, I discovered something powerful: the body is incredibly resilient & inherently self-healing when it’s given the right support.
Strategic nutrition and supplementation became a major part of my own health journey. And over the last two decades, I’ve devoted my life to helping millions of people around the world take a more proactive role in their health.
That experience completely changed how I thought about health — and ultimately shaped the way Monthlees was built.
I created Monthlees because I was tired of seeing people pay premium prices for supplements that were under-dosed, over-marketed, and difficult to trust.
My goal is simple: build the kind of brand I would want for myself and my family — with better ingredients, transparent formulas, meaningful dosages, and a business model built on long-term trust.
— Chris Walker, Founder of Monthlees
