Cookie Notice
This Cookie Notice explains how SupplementLabs.ai uses cookies and similar technologies when you visit our website. Please read this notice carefully alongside our Privacy Policy.
What Are Cookies?
Cookies are small text files stored in your browser when you visit a website. They help websites remember your preferences, keep you signed in, and understand how you use the site. Cookies are widely used to make websites work more efficiently.
Cookies We Use
| Cookie / Key | Type | Purpose | Duration |
|---|---|---|---|
sl_auth_token |
Keeps you signed in to your account. Contains your session token. | 7 days | |
sl_lang |
Remembers your chosen display language (EN, DE, ES, FR, etc.). | Persistent | |
sl_referral_code |
Stores a referral code if you arrived via a referral link, to credit the referrer. | Session | |
pending_ref |
Backup storage for referral code during signup flow. | Session | |
polsia_vid |
Anonymous visitor ID used for basic page visit analytics (no personal data linked). | Persistent | |
_ga, _ga_* |
Google Analytics 4 cookies. Used to distinguish users and track sessions on our site. Set by Google (googletagmanager.com). Data processed in the USA under EU Standard Contractual Clauses. | 2 years (_ga) / 1 year (_ga_*) | |
_fbp, _fbc |
Meta (Facebook) Pixel cookies. Used to measure advertising effectiveness and enable remarketing. Pixel ID 1422599199052586. Data processed by Meta Platforms Ireland Ltd under EU Standard Contractual Clauses. | 3 months (_fbp) / 90 days (_fbc) |
Note: We use localStorage (not cookies) for authentication (sl_auth_token) and language preferences. localStorage data is stored in your browser and is not sent to our servers on every request, unlike traditional cookies.
Third-Party Cookies
Google Analytics 4
We use Google Analytics 4 to understand how visitors use our website (page views, session length, device type). GA4 sets _ga and _ga_* cookies. IP addresses are anonymized. You can opt out using the Google Analytics Opt-out Browser Add-on. See Google's Privacy Policy.
Meta Pixel (Facebook Pixel)
We use the Meta Pixel (ID 1422599199052586) to measure advertising performance and build remarketing audiences on Facebook and Instagram. The pixel fires on page load and on conversion events (sign-up, purchase). You can manage your preferences at Facebook Ad Preferences or YourAdChoices. See Meta's Privacy Policy.
Stripe (Payment Processing)
If you use our subscription payment flow, Stripe may set cookies to handle the payment session and fraud prevention. See Stripe's Privacy Policy.
Amazon Associates & iHerb (Affiliate Links)
When you click an Amazon or iHerb product link on our site, those platforms may set their own cookies to track your visit for affiliate attribution purposes. We have no control over these third-party cookies. See Amazon's Cookie Notice and iHerb's Privacy Policy. We disclose that affiliate commissions may be earned from purchases made through these links.
Google Fonts
We load web fonts from Google Fonts, which may involve a request to Google's servers. Google may collect IP address information as part of this. See Google's Privacy Policy.
Essential Cookies — No Opt-Out
Essential cookies (such as your session token) are strictly necessary for the website to function. These cannot be disabled without breaking core functionality such as staying signed in.
How to Manage Cookies
You can control and delete cookies through your browser settings:
- Chrome: Settings → Privacy and security → Cookies and other site data
- Firefox: Options → Privacy & Security → Cookies and Site Data
- Safari: Preferences → Privacy → Manage Website Data
- Edge: Settings → Cookies and site permissions
You can also use browser extensions such as uBlock Origin, Privacy Badger, or similar to block third-party trackers.
Note: Clearing localStorage will log you out of SupplementLabs.ai and reset your language preference.
Contact
info@supplementlabs.ai or via our contact form.