RULE 1 CASEIN PROTEIN 2LB
Recover overnight and stay fuller for longer with Rule 1 Casein. Each serving delivers 25g of slow-digesting micellar casein protein, designed to release amino acids gradually for up to 8 hours. Ideal before bed or between meals, it supports muscle growth, reduces cravings, and keeps you in a positive nitrogen balance while you rest.
Why Choose Rule 1 Casein?
-
25g micellar casein protein – slow-release for sustained recovery.
-
Extended amino acid release – supports muscles for up to 8 hours.
-
Great for overnight use – helps recovery while you sleep.
-
Thick, creamy texture – feels like a dessert-style shake.
-
Low carb, low fat – lean-friendly nutrition.
-
Gluten-free and easy to digest.
How to Use
-
Mix 1 scoop of Rule 1 Casein with 250–300ml cold water or milk.
-
Shake or stir until smooth and creamy.
-
Best taken before bed or as a long-lasting protein snack.
Pro tip: Add less water and refrigerate for a pudding-style protein dessert.
Who’s It For?
-
Athletes wanting recovery while they sleep.
-
Gym-goers needing a filling, slow-digesting protein.
-
People who snack late at night but want a leaner option.
-
Anyone serious about round-the-clock muscle support.
FAQ
How is Rule 1 Casein different from whey protein?
Whey is fast-digesting and best post-workout, while casein is slow-digesting and ideal for overnight recovery.
Can I use it during the day?
Yes — it’s perfect between meals to help reduce cravings and keep you fuller.
Does it taste thick?
Yes — casein mixes into a creamier, thicker shake compared to whey.
All orders placed before 2:00pm are packed same day and shipped to arrive typically the next working day. Please allow an extra 1-3 working days for driver delays.
We reserve the right to reject any order addressed to Great Barrier & Chatham Island, PO box or a Parcel Pod.
All non-rural orders over $50 within New Zealand include free shipping. For orders under $50, a flat rate of $3.99 is charged.
North Island - Next Business Day
South Island - 2-3 Business Days
Rural - +1 business days from the above times.
Rural - $4.99 surcharge applies. We suggest to send to a town or workplace that is not a rural delivery address.
Waikehe & Stewart Island - +1/2 business days from the above times ($9.98 surcharge applies. We suggest sending to a town or workplace that is in North/South Island)
Stewart Island - Items are delivered to the boatshed on the island, who phone receivers to collect the items from them.
Public holidays - NZ Couriers does not collect on Public Holidays, so there may be slight delays around these times.
Bay Supplements uses NZ Couriers within New Zealand.
If you have changed your mind after the courier has picked up your order, then you must organise for the return of the products for a refund. The goods must be returned to Bay Supplements within 7 days of the goods being received, and in an unused and unopened condition. If accepted the refund will be processed minus a restocking fee of $9.99. Unless the goods are faulty, the products will not be refunded or replaced if they are used and or opened. Return shipping for faulty goods will be covered by Bay Supplements. Return shipping for non-faulty goods will be covered by the customer.
NOTE; NO REFUNDS/EXCHANGE ON CLEARANCE ITEMS.