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NB Sons

Flex-4 Men's Vitality Tablets

5.0 (1)See all 1 review
PKR 3,499PKR 4,50022%

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In Stock

1

Get it by Thu, 27 Aug – Mon, 31 Aug · COD nationwide

Also in Men's Peak Performance Stack (Flex-4 + X-Fit + Argivital) · save 5% →

Free delivery when your NB Sons items total PKR 1,999 or more.

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  • Cash on DeliveryPay when it arrives
  • Easy Returns7-day return window
  • Fast DeliveryNationwide, 2 to 5 days
  • Supports male vitality
  • Aids stamina and energy
  • Helps hormonal balance
  • Supports reproductive health

Flex-4 is a men's vitality supplement combining Tongkat Ali, Tribulus and Cordyceps with vitamin E and zinc, to support energy, stamina and everyday performance for an active lifestyle.

Supports
  • Energy levels and reduced fatigue
  • Stamina and physical endurance
  • Healthy testosterone levels (zinc)
  • Overall male vitality and wellbeing

Composition: Eurycoma longifolia (Tongkat Ali) 80 mg, Tribulus terrestris 200 mg, Cordyceps sinensis 50 mg, vitamin E 32 mg, zinc 17 mg.

Directions: Take as directed on the pack, with food, or as advised by a healthcare professional.

Dietary supplement; not intended to diagnose, treat, cure or prevent any disease.

  • 100% genuine, sealed as packed by the manufacturer
  • Stored cool and dry, exactly as a supplement should be
  • Fresh stock with clear, valid expiry dates

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How to Use

Take one tablet daily with water, or as directed by your physician. Use consistently for ongoing support.

Ingredients

Tongkat Ali 200 mg, Tribulus Terrestris 250 mg, Vitamin E, Zinc, OS Extract.

Usage Tips

Take with meals to reduce stomach upset. Combine with light low-impact exercise for stronger joint benefits. Store in a cool dry place.

Shipping & Returns

Free delivery on bigger orders — the exact threshold depends on your city and is shown at checkout. COD available nationwide. 7-day return policy on unopened items.
Frequently asked

Questions about this product

When will I notice results?
Flex-4 is best taken daily as part of a healthy routine. Consistency over several weeks matters more than any single dose.
When and how should I take it?
Take as directed on the pack, with food. Do not exceed the recommended daily dose.
Any side effects?
Generally well tolerated when taken as directed. If you take medication or have a health condition, check with your doctor first.
Get it by Thu, 27 Aug – Mon, 31 Aug · COD nationwide
Flex-4 Men's Vitality Tablets
PKR 3,499
1

Better Value In A Set

Flex-4 Men's Vitality Tablets costs less inside this set.

Men's Peak Performance Stack (Flex-4 + X-Fit + Argivital)
Men's Peak Performance Stack (Flex-4 + X-Fit + Argivital)
PKR 7,889 PKR 7,470 save PKR 419 (5%)

Customer Reviews

(1 review)
5.0
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umer khanvia NB Sons

Amazing Product . i am using it since 2023

31 Mar 2026

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Questions & answers

Not sure about shade, size, ingredients or how to use it? Ask here — our team answers, and helpful Q&As are published on this page.