Mutant Killer Switch Pre-Workout

$29.99 $39.99 Save $10

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Mutant Nutrition

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Flavors: Fire

Mutant KILL SWITCH is described as a super concentrated pre-workout that aims to enhance fat burning, boost energy, and improve metabolic rate. It promotes itself as a solution for those looking to accelerate their weight loss efforts, particularly during fasted cardio or fat-loss workouts.

Key points and Claims of Mutant Kill Switch Pre-Workout include:

Fire & Ice Flavors: Kill Switch comes in exciting flavors, "fire" and "ice," which are said to ignite your workouts and taste buds.

Fat-Burning Ingredients: Kill Switch contains 10 active ingredients aimed at promoting fat metabolism, including Carnitine. Dual-action caffeine is used to provide energy without causing a crash.

Caloriburn GP: This ingredient is highlighted as a key component that turns your workouts into a "raging inferno."

Enhanced Workouts: Killer Switch is meant to enhance the experience of working out, making it more enjoyable and effective, particularly for individuals engaged in fasted cardio or fat loss routines.

Metabolic Boost: Killer Switch claims to increase your metabolic rate and help you achieve your fitness and fat loss goals faster.

Supplement Fact
Serving Size 1 Scoop (4.5g)
Serving Per Container: about 36
Amount Per Serving % Daily Value
Niacinamide (vitamin B3) 20mg 125%
Vitamin B12 (as Methylcobalamin) 6mcg 250%
Pantothenic Acid (vitamin B5 as Calcium C-Pantothenate) 5mg 100%
L-Carnitine L-Tartrate 500mg *
L-Tyrosine 300 mg *
Caffeine Anhydrous (99% Caffeine) 200 mg *
Caffeine Citrate (50% Caffeine) 100mg *
Green Coffee Bean Extract (Coffea canephora) (50% Chlorogenic Acid) 100mg *
Caloriburn GP Grains of Paradise (12.5% 6-Paradol: plus 6-Gingerdione, 6-Shogaol, 6-Gingerol) 30mg *
Olive Leaf Extract(Olea europaea L.) 30mg *
Naringin 10mg *
Cayenne 10mg *
Huperzine A 1% (Huperzia serrata Aerial Parts) *
Bio Perine Black Pepper Extract (Piper Nigrum)(Fruit)(95% Piperine)

This product is not for use or sale to person under the age of 18.

Dietary supplements are regulated by the FDA as food, not as drugs. However, many dietary supplements contain ingredients that have strong biological effects which may conflict with a medicine you are taking or a medical condition you may have. For this reason it is important to consult with a health care professional before using any dietary supplement. Information and statements regarding dietary supplements have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent any disease or health condition. Building muscle, losing weight results on dietary supplements may vary depending and diet and exercise. *

This website assumes no liability for inaccuracies or misstatements or any false claims about dietary supplements

2 Ways to Pay

1) eCheck Plus: Safe, secure and as fast as paying by credit card! Simply enter your routing and account number into the fields below to pay for your order right from your checking account. This is a one time charge only for the amount of this order. We do not have access to your account and your info is fully encrypted.

2)  Digital Wallet Options: (Google Pay, Venmo, Apple Pay) Please note Digital will have to be sent manually

Unfortunately, we are no longer able to provide card processing services. The credit card processing companies consider many of the products we sell as “high risk” supplements and will not allow the transaction. Most supplements company are processing cards overseas at a very high cost. We offer discounts pricing so we can save our customers $$$. We are the same owners since 1979. 


Here at we understand that customers change their minds or may not react well to certain supplements. As long as you return the item within 30 days of purchase, you can receive a refund (minus original & return shipping costs for unopened products) or an in-store credit (if the product has been opened).

We will not accept returns or exchanges on the items that you have received from a previous return of an opened item. If 30 days have gone by since your purchase, unfortunately we can’t offer you a refund or exchange.

•If your purchase came with a free item, the free item must be returned as well or you will be charged the product price for the free item.

To be eligible for a refund, your item must be unused and in the same condition that you received it. It must also be in the original packaging. All returns must be accompanied by a MassForLife Return Processing Authorization (RPA) Number. Call 424-318-2055- or email us at and ask for a return processing authorization number. This number must appear on your return label.

Several types of goods are exempt from being returned. Perishable goods such as food, gift cards, discontinued items, blowoutsale, and clearance items cannot be returned.

Damaged Items
•Damaged Products must be received by us before any refunds.
•We will need proof of the damage which can be given with a detailed photo of damaged item (if open or cracked, we need to see the bottle open), the invoice, and the packaging you received this in.  For damaged products, we may issue a store credit for you with proper proof. We do this because of fraud.
•All problems with orders must be reported within 72 hours upon receiving them.

 Refunds (if applicable)
Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund. If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.

Customer pays for return shipping and for re-shipping the exchange (unless noted free shipping on website).

International Customers 

Unfortunately, we are unable to provide return shipping labels for customers outside the United States.

We are not responsible for packages seized through customs. Please verify that the ingredients for the products you are shipping international is accepted in your country. 

Late or missing refunds (if applicable)
If you haven’t received a refund yet, first check your bank account again. It can sometimes take up to 7-10 business days. Then contact your credit card company, it may take some time before your refund is officially posted. Next contact your bank. There is often some processing time before a refund is posted. If you’ve done all of this and you still have not received your refund yet, please contact us at

You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable (original and return). If you receive a refund, the cost of original shipping will be deducted from your refund.

Thank you,
The Massforlife Team