Privacy policy
Privacy Policy
Last updated: May 13, 2026
Zelenko Labs LLC (“Zelenko Labs,” “we,” “us,” or “our”) operates the website https://zstacklife.com (the “Site”) and related services (collectively, the “Services”). This Privacy Policy explains how we collect, use, disclose, and safeguard your personal information when you visit or make a purchase through our Site, communicate with us, or otherwise interact with our Services.
By accessing or using our Services, you agree to this Privacy Policy.
1. What Personal Information We Collect
We collect information that identifies, relates to, or could reasonably be linked to you, including:
Information you provide
- Name
- Email address
- Phone number
- Shipping & billing address
- Account or subscription details
- Messages you send us (support emails, chat, etc.)
Information collected automatically
- IP address
- Browser and device information
- Pages visited, time on site, clicks
- Cart activity and checkout behavior
- Cookies and similar tracking technologies
Purchase & subscription data
- Products viewed and purchased
- Subscription status (if applicable)
- Order history, returns, and exchanges
- Payment confirmation (but not your card number)
2. How We Use Your Information
We use your personal information to:
- Process orders, payments, shipping, and returns
- Manage subscriptions and customer accounts
- Provide customer support
- Send order confirmations and service messages
- Send marketing emails and SMS only when you opt in
- Send SMS cart reminders if you have opted in to receive text messages
- Improve website performance and user experience
- Prevent fraud and maintain security
- Comply with legal obligations
3. SMS & Email Marketing
You may receive email or SMS messages from us only if you have opted in.
When you sign up for SMS via our website, checkout, pop-ups, or other forms, you consent to receive recurring automated marketing, promotional, personalized, and transactional text messages from Zelenko Labs LLC at the number you provided. Consent is not required to make a purchase. Message and data rates may apply. You can reply STOP to unsubscribe or HELP for assistance at any time.
Text messaging originator opt-in data and consent information will not be sold, rented, loaned, traded, leased, or otherwise transferred to third parties for their own marketing purposes. We may share SMS-related data only with service providers, telecommunications carriers, aggregators, messaging platforms, and other vendors as necessary to operate, support, and deliver our text messaging program.
4. Cookies & Tracking
We use cookies and similar technologies to:
- Remember your preferences
- Enable cart and checkout functions
- Analyze website traffic
- Serve relevant ads
- Capture, store, and send SMS cart reminders when you have opted in to receive text messages
We may use cookies, pixels, webhooks, plugins, and similar tracking technologies to track cart activity, checkout activity, and related site behavior in order to trigger relevant cart reminders and service-related messages by SMS.
You can control cookies through your browser settings.
5. How We Share Information
We may share your personal information with trusted service providers who help us operate our business, including:
- Shopify (e-commerce platform)
- Payment processors (Stripe, PayPal, etc.)
- Fulfillment & shipping partners
- Email and SMS providers (such as Klaviyo and Recart)
- Analytics & advertising platforms
These partners are only permitted to use your data to provide services to us.
We do not sell your personal information. We also do not sell, rent, loan, trade, lease, or otherwise transfer SMS opt-in data or SMS consent status to third parties for their own marketing purposes.
6. Advertising & Analytics
We may use tools such as:
- Google Analytics
- Meta (Facebook/Instagram)
- Google Ads
These tools help us understand how visitors use our site and allow us to show relevant ads.
You may opt out of targeted advertising using tools like:
- Google Ads Settings
- Facebook Ad Preferences
- Global Privacy Control (GPC)
7. Data Retention
We retain personal information only as long as necessary to:
- Provide services
- Meet legal obligations
- Resolve disputes
- Enforce agreements
8. Your Privacy Rights
Depending on where you live, you may have the right to:
- Access your personal data
- Request correction
- Request deletion
- Request a copy (portability)
- Opt out of targeted advertising
To make a request, email us at support@zstacklife.com.
9. International Users
Your data may be transferred to and processed in the United States. If you are in the EU or UK, we use approved safeguards such as Standard Contractual Clauses.
10. Children’s Privacy
Our Services are not intended for children under 18. We do not knowingly collect personal data from minors.
11. Security
We use commercially reasonable safeguards to protect your data, but no system is 100% secure.
12. Updates to This Policy
We may update this Privacy Policy from time to time. The latest version will always be posted on this page.
13. Contact Us
Zelenko Labs LLC
9045 La Fontana Blvd, Suite 105
Boca Raton, FL 33434
Email: support@zstacklife.com