
What it is
TestRX: D-aspartic acid, fenugreek and vitamins, 120 capsules
TestRX by Leading Edge Health is a daily supplement for men in capsule form. Each four-capsule serving provides 2,300 mg D-aspartic acid and 300 mg fenugreek seed extract with vitamin D3, vitamin K2, vitamin B6, magnesium and zinc. The manufacturer markets it to support natural testosterone and athletic performance.
| Serving size | 4 capsules |
| Servings per box | 30 (120 capsules) |
| Key ingredients | D-aspartic acid 2,300 mg; fenugreek 300 mg |
| Vitamins and minerals | D3, K2, B6, magnesium, zinc |
From the manufacturer’s Supplement Facts panel.
Key points
What to know before you choose it
Four capsules per serving
One box holds 30 servings.
D-aspartic acid
2,300 mg per serving, the largest single ingredient.
Fenugreek extract
300 mg seed extract standardised to 50% saponins.
Vitamins + minerals
Vitamin D3 1,140 IU, K2, B6, magnesium and zinc.
How to use
How to take it
1 Take 4 capsules
One serving is four capsules.
2 Follow the box
Take it as directed on your box for timing and frequency.
3 Check with a doctor
Ask a doctor first if you take blood thinners or other medication.
Full details
Full product details
Serving size: 4 capsules. Servings per container: 30.
| Vitamin D3 (as cholecalciferol) | 1,140 IU (285% DV) |
| Vitamin K2 | 20 mcg (25% DV) |
| Vitamin B6 (as pyridoxine HCl) | 5 mg (250% DV) |
| Magnesium (as magnesium aspartate) | 200 mg (50% DV) |
| Zinc (as monomethionine and aspartate) | 10 mg (67% DV) |
| D-aspartic acid | 2,300 mg |
| Fenugreek 50% saponins (seed) | 300 mg |
The manufacturer describes TestRX as a supplement to help men reach their athletic potential by supporting natural testosterone production. These are the manufacturer’s claims; they have not been evaluated by the US FDA, and results vary from person to person.
How many capsules are in one box?
120 capsules, which is 30 servings of four capsules.
Does it contain testosterone or hormones?
No. The label lists vitamins, minerals, D-aspartic acid and fenugreek extract.
Is it a medicine?
No. It is a dietary supplement.
- Leading Edge Health: TestRX — manufacturer page and Supplement Facts image
- NIH Office of Dietary Supplements: Vitamin K — interaction information
Formulas can change; the label on your box is the reference.
Important information
- Contains vitamin K2. Vitamin K can have a serious interaction with the blood thinner warfarin (NIH ODS); talk to your doctor first if you take it.
- Speak to a doctor before use if you take any other medication or have a medical condition.
- Keep out of reach of children.
- Dietary supplement; not intended to diagnose, treat, cure or prevent any disease.
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