Irwin Naturals Supplements

Testosterone UP Strength & Size

Testosterone UP Strength & Size - Main image
$17.5 $34.99 In stock

Category: Vitamins & Supplements

---

Featuring powerful scientifically validated ingredients, this comprehensive formulation was designed to take your performance to the next level.*

---

Mega-Male Formula to Boost Performance, and Vitality in Men of All Ages

---

  • ‡ PrimaVie® Shilajit Extract boosts free and total testosterone
    while also supporting muscle recovery and growth when used
    in conjunction with regular resistance training.*

  • KSM-66® Ashwagandha Extract enhances cardiorespiratory
    endurance (VO2-max) while supporting the nervous system
    and adrenals to help maintain energy during times of stress
    and prevent the body from “burning-out.”*

  • elevATP® is a proprietary combination of ancient peat and
    apple extract that has been shown in preliminary research to
    increase intramuscular ATP resulting in increased power output
    and training volume while reducing decreases in performance
    associated with overreaching.*

  • Plus, Performance & Recovery Nutrients
    This formula also delivers 200mg of Magnesium per daily
    serving, plus Vitamin D3, Vitamin K2 (as MK-7), a targeted
    B-Complex, Essential Fatty Acids from high-quality Fish Oil,
    and chelated Iron to support red blood cell production without
    gastric upset.*

---

Before you pay

Check the method and total at checkout.

When it ships

Allow for processing time as well as the journey to you.

Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

View policy
If you need a refund

Keep your order number and contact the store to start.

Please contact us for the refund processing timeframe before returning an item.

View policy
Delivery costs

Review the cost for your destination and chosen service.

Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

View policy
Returning an item

Check the return conditions before sending anything back.

United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

View policy

Customer Reviews (4.6 / 5 · 5 reviews)

George E. ★★★★★

I'm about six weeks in and honestly the difference in my workouts is noticeable — I'm pushing through my last sets without fading like I used to. The mega-male formula is packed with a lot, so I was a little skeptical at first, but it's earned a permanent spot on my shelf.

Owen N. ★★★★★

The ingredient blend is solid—I’ve been taking it with breakfast for two weeks and feel noticeably more dialed-in during my afternoon lifts. Capsules go down easy, no weird aftertaste either.

Claire E. ★★★★★

Three weeks in and I’m already noticing the difference in my afternoon workouts—the scientifically validated blend seems to give me that extra push I was missing. The capsules are easy to swallow and I haven’t had any stomach issues, which was my main worry. This is the first supplement that actuall