Apex Formulas Muscle Juice

Apex Formulas  Muscle Juice

Apex Formulas Muscle Juice

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Muscle Juice – Intra-Workout Hydration & Muscle Support

Hydration Meets Muscle Preservation.


Muscle Juice is a premium hydration and intra-workout formula designed to keep your body performing at its peak while helping to preserve lean muscle and maintain optimal electrolyte balance.


With 60 servings per tub (2 servings a day recommended), it’s built to provide continuous support for training and recovery, ensuring your body has what it needs before, during, and after the hardest sessions.


What is This Product For?

  • Preserve lean muscle mass during training or in calorie deficits

  • Improve recovery between sessions

  • Maintain hydration and electrolyte balance

  • Enhance nutrient delivery during training for better performance outcomes

  • Support long-term muscle health in both athletes and general fitness enthusiasts


Why This Product Exists

Many athletes turn to EAA (Essential Amino Acid) powders thinking they are the gold standard for muscle support. The truth is: if you are eating at calorie maintenance or in surplus, your body already has a rich amino acid pool from your diet. The actual trigger for Muscle Protein Synthesis (MPS) is Leucine — the king amino acid. This is why Muscle Juice delivers a huge, clinically relevant dose of leucine across two daily servings.

Paired with HMB, one of the most underrated and potent muscle-preserving compounds in sports nutrition, plus Betaine for power and performance, Muscle Juice is a smart, functional formula — not a vanity blend.

Instead of buying a separate hydration product and an EAA/intra-workout product, Muscle Juice combines both into one cost-effective, powerhouse formula.


Ingredient Breakdown (Per 13g Serving)

(60 Servings Per Tub — 2 Servings Daily Recommended)

L-Leucine – 2,000mg (4,000mg Daily)

The key amino acid responsible for triggering muscle protein synthesis (MPS). Without adequate leucine, your body won’t initiate the repair and rebuilding process. This dose ensures your muscles get the activation signal they need every single day.

HMB (Calcium Anhydrous) – 2,000mg (4,000mg Daily)

A metabolite of leucine, HMB significantly reduces muscle protein breakdown, accelerates recovery, and supports lean mass preservation. Ideal for both athletes in hard training and those in calorie deficit. Often overlooked, but hugely effective.

Betaine Anhydrous – 1,250mg (2,500mg Daily)

Boosts power output, supports cellular hydration, and aids muscle endurance. Works synergistically with creatine and electrolyte support.

Himalayan Rock Salt – 1,282mg

Provides natural sodium for optimal muscle function and hydration. Essential for replacing electrolytes lost in sweat.

Potassium Citrate – 300mg

Supports muscle contraction, hydration, and nerve signaling.

Calcium Citrate – 150mg

Bone health, muscle function, and overall electrolyte balance.

Dicalcium Phosphate – 150mg

Provides both calcium and phosphorus for skeletal health and energy production.

Aquamin® (Mg Citrate) – 40mg

A natural, highly bioavailable magnesium source that aids in muscle relaxation, cramp prevention, and recovery.


Why Choose Muscle Juice?

  • 60 servings per tub — enough for a full month at the optimal 2 servings/day dose.

  • Covers both hydration and muscle support in a single product — no need to double-buy.

  • Evidence-based dosing on leucine, HMB, and betaine — no underdosed “label decoration.”

  • Functional, athlete-focused formula designed for performance and recovery, not just flavour.



Muscle Juice replaces overhyped EAA blends with science-backed ingredients that actually matter. If you want to keep your muscles primed, your body hydrated, and your wallet happy — this is your go-to intra-workout and daily muscle support formula.

→ Muscle Juice: Hydrate. Perform. Preserve.

Delivery Terms & Conditions / Options & Information

Operated by: Nutrition & Internet Supplements Limited (trading as “NI Supplements”)

Registered Office: Unit 5, Graham Industrial Park, Dargan Crescent, Belfast, Co. Antrim, BT3 9LP, United Kingdom

Last updated: 11 October 2025


1. Dispatch & Processing

  • Orders placed before 1 p.m. UK time (Monday–Saturday, excluding Bank Holidays) are normally processed and dispatched the same working day.
  • Orders placed after this time are processed on the next working day.
  • Delivery timeframes exclude Sundays and public holidays unless explicitly stated otherwise.
  • Courier network disruptions (e.g., strikes, weather, customs) may extend delivery times beyond our control.

2. Delivery Options – United Kingdom (Mainland & Northern Ireland)

Orders under £50

Service Price Estimated Speed Notes
1–2 Day Tracked (No Signature Required) £2.95 1–2 working days (91% next-day) Fully tracked; photographic & GPS delivery proof confirms delivery. “No Signature Required” terms apply.
1–2 Day Tracked (Signature Required) £3.35 1–2 working days (91% next-day) Signature obtained on delivery.

Orders £50 and over

Service Price Estimated Speed Notes
4–5 Day Tracked (No Signature Required) Free 4–5 working days Fully tracked; photo/GPS proof confirms delivery. “No Signature Required” terms apply.
4–5 Day Tracked (Signature Required) Free 4–5 working days Signature obtained on delivery.

3. Delivery Options – Republic of Ireland, EU & International

  • Available services, prices and estimated transit times are displayed at checkout.
  • Delivery times vary by destination and customs clearance processes.
  • Recipients are responsible for any local import duties, taxes, or customs charges.
  • We cannot influence or expedite customs procedures in destination countries.

4. Delivery Confirmation, Risk & Transfer of Responsibility

(a) Signature Required

  • A signature will be obtained at the point of delivery.
  • Until a signed handover occurs, the parcel remains at NI Supplements’ risk.
  • Once signed for by you or a nominated recipient, delivery is complete and responsibility transfers to you.

(b) No Signature Required / Authority to Leave

By selecting “No Signature Required” or authorising an unattended delivery / safe place, you:

  1. Expressly instruct the courier to deliver the parcel to your address or nominated safe place without obtaining a signature.
  2. Acknowledge that the courier’s photo and GPS confirmation constitute full proof of delivery.
  3. Accept that once such confirmation is recorded, the order is deemed successfully delivered, and
  4. Agree that risk of loss, theft or damage passes to you immediately upon that confirmation.

Accordingly, NI Supplements’ delivery obligation is fully discharged once the courier records a delivered scan with accompanying GPS/photo evidence.

If you are concerned about parcel security at your address, please select “Signature Required” at checkout. This is recommended for high-value orders or where the delivery location is unattended or visible from a public street.

5. Non-Delivery Claims

  • All non-delivery reports are investigated directly with the courier.
  • Where the courier provides proof of delivery (signature, photo or GPS record) matching the supplied address, the order is considered fulfilled and is not eligible for replacement or refund under this policy.
  • Where the courier confirms no delivery, we will either resend or refund the order promptly.

6. Failed Delivery, Refusals & Returns to Sender

  • If a parcel is returned due to customer error (e.g., incorrect address, failure to collect, or refusal of delivery), we may either:
    • Resend it after payment of a re-shipping fee; or
    • Refund the product value less the original outbound shipping cost.
  • Where the error or delay was caused by NI Supplements or our courier, we will resend at our expense.

7. Same-Day Dispatch Guarantee (Express Orders)

  • Guaranteed for orders placed before 1 p.m. (Monday–Saturday).
  • Couriers may experience exceptional delays beyond our control; such events do not invalidate the guarantee for dispatch timing.

8. Working Days Definition

“Working Days” means Monday to Saturday, excluding UK Bank Holidays. Orders placed after 1 p.m. on a Saturday or on a Bank Holiday are processed on the next working day.

9. Evidence & Investigation

We maintain courier records, including time-stamped tracking data, GPS coordinates and photographic delivery evidence, for audit and anti-fraud purposes. Customers alleging non-receipt after confirmed delivery may be asked to provide a police crime reference number. We reserve the right to cooperate with carriers and authorities in any fraud investigation.

10. Contact Information

For questions about delivery status or services, please contact:
hello@nisupplements.com
Nutrition & Internet Supplements Limited, Unit 5 Graham Industrial Park, Dargan Crescent, Belfast, Co Antrim, BT3 9LP, United Kingdom.

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