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ROOT Zero-In – Caffeine, Vitamin D3 & Plant Extracts Capsules

Dietary supplements from ROOT

Capsules containing caffeine, vitamin D3, N-acetyl-L-tyrosine, and plant extracts

ROOT Zero-In combines 100 mg of caffeine per capsule with vitamin D3, N-acetyl-L-tyrosine, green tea extract, turmeric extract, and pine bark extract—in a convenient capsule form for your daily micronutrient routine.

  • 100 mg of caffeine per capsule
  • Vitamin D3 contributes to the normal functioning of the immune system
  • With N-acetyl-L-tyrosine, green tea extract, turmeric extract, and pine bark extract
  • 60 capsules per package
  • BSCG Certified Quality, according to the manufacturer's specifications
  • Gluten-free and non-GMO according to the product label
ROOT Zero-In – Capsules with caffeine, vitamin D3, and plant extracts
  • Order from the official European ROOT store
  • Shipped from Europe – no customs duties within the EU
  • 100% genuine product directly from the manufacturer, ROOT

Payment Methods in the ROOT Shop

  • Credit Card
  • Apple Pay
  • PayPal
  • Flex – Pay with HSA/FSA

Do you need additional payment options that ROOT doesn't currently offer? Contact us—we'd be happy to help.

For Swiss customers, orders are shipped from the ROOT warehouse in Switzerland.

BSCG Certified Quality Gluten-Free Non-GMO
Buy directly from the manufacturer
73.95 € (net)
Only €66.56 (net) with ROOT PRIME
10% discount with ROOT PRIME

Buy directly from the manufacturer—no middlemen, no hidden fees.

Order now from the European ROOT Store

*Plus country-specific sales tax and shipping costs charged by the seller. The final price will be displayed during the checkout process.

Caffeine, vitamin D3, and plant extracts in one capsule

ROOT Zero-In is a dietary supplement in capsule form. The formula combines caffeine with vitamin D3, N-acetyl-L-tyrosine, green tea extract (including L-theanine), turmeric extract (including curcumin), and pine bark extract (including proanthocyanidins).

N-Acetyl-L-tyrosine is an amino acid compound and a component of the formulation. Curcumin is the eponymous active ingredient in turmeric extract; proanthocyanidins are secondary plant compounds derived from pine bark extract.

Ingredients per daily serving (1 capsule)

Ingredient Quantity
Vitamin D 25 µg
Caffeine 100 mg
N-Acetyl-L-Tyrosine 250 mg
Green tea extract 85 mg
of which L-theanine 34 mg
Pine bark extract 60 mg
of which proanthocyanidins 57 mg
Turmeric Root Extract 60 mg
of which curcumin 57 mg
  • Contents: 60 capsules
  • Gluten-free and non-GMO according to the product label

Serving Suggestions

  • 1 capsule daily, preferably in the morning
  • Do not exceed the recommended daily intake
  • Do not take with alcohol

Note: Contains caffeine (100 mg per capsule). Not recommended for children, pregnant women, and women who are breastfeeding.

Who is Zero-In designed for?

  • For users who want to specifically combine caffeine and vitamin D3
  • For a structured daily micronutrient routine
  • For anyone who prefers a capsule with specific dosage information
  • For ROOT PRIME users with a 10% discount

Zero-In is also included in larger value packs: in the ROOT Trinity Pack (with Clean Slate and Restore), in the ROOT Value Pack (with Clean Slate), in the ROOT Performance Pack (with Sculpt and Crush), and in the ROOT Dr. Rahm Package (with Clean Slate, Restore, and ReLive Greens)—each offering a price advantage over purchasing the items individually.

Now you know the facts
73.95 € (net)
Only €66.56 (net) with ROOT PRIME
10% discount with ROOT PRIME

Shipped from Europe, no customs fees within the EU—and if you still have questions, you'll find the most important answers right below.

View ROOT Zero-In in the European ROOT Store

*Plus country-specific sales tax and shipping costs charged by the seller.

Frequently Asked Questions About ROOT Zero-In

What is ROOT Zero-In?

ROOT Zero-In is a dietary supplement in capsule form containing 100 mg of caffeine, vitamin D3, N-acetyl-L-tyrosine, green tea extract, turmeric extract, and pine bark extract per capsule.

How much caffeine is in one capsule?

One capsule contains 100 mg of caffeine—which is roughly equivalent to the amount in a cup of coffee. Zero-In is not recommended for children, pregnant women, or nursing mothers.

How is Zero-In taken?

1 capsule daily, preferably in the morning. Do not take with alcohol, as alcohol can affect the effects of caffeine.

What is N-acetyl-L-tyrosine?

N-Acetyl-L-tyrosine is an amino acid compound and a component of the Zero-In formula. For more information, see the manufacturer's instructions.

Is Zero-In a substitute for a balanced diet?

No. Dietary supplements are not a substitute for a varied, balanced diet and a healthy lifestyle.

Am I ordering from the U.S.?

No. The link will redirect you to the official ROOT store for Germany and Europe: . The order is processed entirely through the European store: , with shipping from Europe and no additional customs fees within the EU.

Where can I order ROOT Zero-In?

Orders are placed directly through the official European ROOT store, with shipping from Europe and no customs fees within the EU. Walgenbach provides a referral link to the product.

Your next step

Have all your questions been answered?

Then nothing stands in the way of your first order.

73.95 € (net)
Only €66.56 (net) with ROOT PRIME
10% discount with ROOT PRIME
Order now from the European ROOT Store

*Plus country-specific sales tax and shipping costs charged by the seller.

Important Information Dietary supplements are not a substitute for a varied and balanced diet and a healthy lifestyle. Do not exceed the recommended daily intake . Keep out of reach of small children. Store in a dry, cool place, protected from light. Contains caffeine and is not recommended for children, pregnant women, or nursing mothers . Do not consume with alcohol. If you are taking medication or have existing medical conditions, consult a doctor before use. Information regarding ingredients, dosage, certification, and usage is based on manufacturer information. The information on the respective product label is always authoritative.
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