Black
Widow
Ephedra · Energy · Weight Management
Hi-Tech Pharmaceuticals Black Widow is an advanced stimulant-based diet and energy capsule designed for experienced users who want strong energy, alertness, thermogenic support, and weight-management support.† The official formula is built around Thermo-Z brand ephedra extract, Senegalia Berlandieri, caffeine, theobromine, 1,3 dimethylamine HCl, and yohimbe.†
What Each Ingredient Supports
Strong Energy Support
Designed for experienced stimulant users looking for aggressive energy and alertness.†
Weight Management Support
Supports diet and weight-management goals when paired with nutrition and training.†
Thermogenic Support
Built around stimulant and thermogenic ingredients such as ephedra, caffeine, Senegalia Berlandieri, and yohimbe.†
Alertness Support
Supports focus and alertness during dieting, training, work, or active days.†
Advanced Formula
Not a beginner-friendly energy capsule. Best suited for users who already tolerate strong stimulant products.
Use Window Limit
The official warning states not to use this product for more than 8 weeks.
Serving Parameters
Official suggested use: take 1 capsule three times daily. Do not exceed 4 capsules in any 24-hour period. Because this is an advanced high-stimulant product, users should assess tolerance carefully and avoid taking it with coffee, tea, soda, energy drinks, stimulant pre-workouts, or other products containing caffeine, synephrine, phenylephrine, ephedrine, pseudoephedrine, or other stimulants.
Black Widow fits best for experienced users looking for high-stimulant energy, thermogenic support, and weight-management support. Browse related Pre Nutrition collections below to build around your goal.
Hi-Tech Product
Black Widow comes from Hi-Tech Pharmaceuticals and is positioned as an extreme diet and energy capsule.†
Ephedra Formula
Official source copy lists Thermo-Z brand ephedra extract as the headline ingredient.†
Advanced Users
Best suited for users who already understand and tolerate high-stimulant formulas.
Ships Nationwide
Order online from Pre Nutrition. Fast delivery available from Richmond, VA.
Do Not Use If:
This product is intended for healthy adults 18 years of age or older. Do not use if you are:
- Under 18 years of age
- Pregnant or nursing
- Sensitive to caffeine, ephedra, yohimbe, or high-stimulant products
- Using prescription medication without medical clearance
- Using MAOI inhibitors, aspirin, antidepressants, NSAIDs, phenylephrine, ephedrine, pseudoephedrine, or other stimulant-containing products
- Diagnosed with heart, liver, kidney, thyroid, psychiatric, epileptic, diabetic, prostate, blood pressure, arrhythmia, recurrent headache, urinary, or glaucoma-related concerns without medical clearance
High-Stimulant Warning:
Black Widow can raise blood pressure and may interfere with medications. Do not consume caffeine or synephrine from other sources while using this product, including coffee, tea, soda, energy drinks, diet products, stimulant pre-workouts, or medications containing caffeine or phenylephrine. Do not use for more than 8 weeks.
Stop Use & Seek Help If:
Discontinue use 2 weeks before surgery or immediately if you experience rapid heartbeat, dizziness, severe headache, shortness of breath, or any concerning reaction. In case of accidental overdose, seek professional assistance or contact a poison control center immediately. Avoid alcohol while using this product.
Possible Side Effects:
- Rapid heartbeat or palpitations
- Blood pressure elevation
- Jitters, anxiety, irritability, or overstimulation
- Dizziness, headache, nausea, or digestive discomfort
- Sweating, body temperature elevation, or dehydration risk
- Sleep disruption if taken too late in the day
- Serious adverse health effects if misused or combined with other stimulants
Improper use may be hazardous to a person’s health. Exceeding the recommended serving may cause serious adverse health effects, including heart attack and stroke.
What is Hi-Tech Black Widow?
Black Widow is an extreme diet and energy capsule from Hi-Tech Pharmaceuticals designed to support strong energy, alertness, thermogenic activity, and weight-management goals.†
Does Black Widow contain ephedra?
Yes. The official Hi-Tech page lists 25mg Thermo-Z brand ephedra extract as part of the formula.
Is Black Widow high stim?
Yes. Black Widow is a high-stimulant product and is best suited for experienced users who already tolerate strong stimulant formulas.
How do I take Black Widow?
The official suggested use is 1 capsule three times daily. Do not exceed 4 capsules in any 24-hour period.
Can I take Black Widow with coffee or a pre-workout?
No. The official warning says not to consume caffeine or synephrine from other sources while using this product, including coffee, tea, soda, diet products, medications, or other stimulant products.
How long can I use Black Widow?
The official warning says not to use Black Widow for more than 8 weeks.
Can Black Widow raise blood pressure?
Yes. The official warning states that this product can raise blood pressure and interfere with other drugs you may be taking.
Who should avoid Black Widow?
Users under 18, pregnant or nursing women, stimulant-sensitive users, people taking medication, and anyone with heart, blood pressure, thyroid, psychiatric, liver, kidney, seizure, diabetic, prostate, glaucoma, or similar medical concerns should avoid it unless cleared by a physician.
What size options are available?
The official Hi-Tech page lists 90 count and 20 count size options. Availability may vary.
Hi-Tech Pharmaceuticals Black Widow is an extreme diet and energy capsule designed for experienced stimulant users looking for strong energy, alertness, thermogenic support, and weight-management support.† The official Hi-Tech source lists Thermo-Z ephedra extract, caffeine, Senegalia Berlandieri, theobromine, 1,3 dimethylamine HCl, and yohimbe as active ingredients tied to the product’s energy and weight-management profile.†
Black Widow is best suited for healthy adult users who already tolerate high-stimulant products.† Suggested use is 1 capsule three times daily, not exceeding 4 capsules in any 24-hour period. Do not combine with other caffeine, synephrine, ephedrine, pseudoephedrine, phenylephrine, or stimulant-containing products. Do not use for more than 8 weeks.
Available from Pre Nutrition in Richmond, VA. Pair with products from the Pre Nutrition Fat Burners Collection, High Stimulant Collection, and Preworkouts Collection.
†These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Product images may represent the product offered but may not contain exact attributes. Always read the product label for current formulation, warnings, stimulant content, allergens, and directions. Prices and availability are subject to change.

