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How does Immunity help when I don't get enough sleep?
It all goes back to free radicals and antioxidants. Lack of sleep creates free radicals thus creates an imbalance. Immunity brings the balance back with its antioxidants.
How does Immunity help with a poor diet?

Immunity is packed with a mixture of 29 fruits, vegetables & herbs. This combination has been clinically proven to help fill the gaps in an imbalanced diet to give your body the edge it needs to combat oxidative stress brought on by free radicals in a poor diet.

To find out more about how and when to take Immunity click here.

What are Free Radicals?
Outside sources that damage cells and proteins in your body. Most commonly caused by a poor diet, environment, lack of sleep, alcohol or travel.
What is Oxidative Stress?
Physiological stress on the body that is caused by free radicals that haven’t been neutralized by antioxidants.
How to install the clip-on mudguard
Is Immunity vegan-friendly?
Yes. The ingredients and capsule are vegan-friendly.
Immunity is formulated using 29 fruits, veggies, and herbs. What are they?

Sur Immunity is formulated using a blend of 29 different fruits, vegetables, and herbs. This wide spectrum of polyphenol antioxidants is what helps defend you against the free radicals harmful to your health.*

Decaffeinated Coffea Arabica Extract (Bean), Decaffeinated Green Tea Extract (Leaf), Broccoli Sprout, Onion Extract (Bulb), Apple Extract, Quercetin, Acerola, Tomato, Broccoli (Floret), Acai, Turmeric (Root), Garlic (Bulb), Basil (Leaf), Oregano (Leaf), Cinnamon (Bark), Carrot (Root), Elderberry, Mangosteen, Camu Camu, Blackcurrant Extract, Blueberry Extract, Raspberry, Blackberry, Spinach (Leaf), Chokeberry, Kale (Leaf), Sweet Cherry, Bilberry Extract, Brussels Sprout (Bud)

What is Sur Immunity?

Sur Immunity gives you a broad range of plant-based antioxidants that help fight free radicals and support a healthy immune response.* 

Learn more about fitness benefits here

How do I take Immunity?
We recommend taking one capsule twice daily, preferably in the morning and at night. This keeps it working in your system all day.
Is Immunity safe for sport?
Yes. Immunity is certified by both Informed Sport and NSF Certified for Sport.
What does Sur charge for shipping?

U.S. Orders

  • Orders that are $49.00 or higher receive free standard shipping.
  • If your order is less than $49.00 your standard shipping cost is $5.
  • Expedited shipping is available for $10.

International Orders

International shipping options are available for select countries. Shipping costs are calculated and applied during checkout. Please note that International shipments may be subject to additional custom duties and taxes. The shipping cost does not include any custom duties or taxes. Delivery time varies by country.

First time using AltRed? Here is what to expect.
AltRed helps you break through that training plateau, whether you’re increasing your weekly mileage or pushing the pace. Unlike other products that may act as fuel (providing carbs, electrolytes, sugar, etc.), AltRed increases your performance by allowing your aerobic system to function optimally (improves blood flow &
oxygenation, raises lactate threshold, etc.). This allows you to sustain an activity for longer. Most people don’t feel a difference until they reach their limit and are able to keep going. Others recognize how they feel fresher and less sore during recovery.
What is AltRed?

Better than beets: AltRed is a 25% betalain extract made from red beets. By comparison, the typical beetroot supplement contains 1% or less betalains (betanins and betaxanthins). Our proprietary extraction technology increases the bioavailability of betalains by 1,000% which cannot be matched by consuming fresh beets, beet juices, or beetroot powders. AltRed is the only beetroot extract supplement to contain no sugar. AltRed contains no sugar, caffeine, or other added stimulants. We use non-GMO red beets sourced from U.S. farms.

Backed by science: AltRed Betalains have been studied at leading U.S. university sports performance labs and clinically proven to improve oxygen delivery to working muscles while raising your lactic acid threshold. It also helps you recover faster and get back to training by reducing exercise-induced muscle damage.

Safe and transparent: Every lot is third-party tested for substances prohibited in sport and to ensure all claims and ingredient levels listed on the label are accurate. AltRed is certified by both Informed Sport and NSF Certified for Sport.

How do I take AltRed?
We recommend taking one capsule 1 to 2 hours before your activity and then one capsule every 2 hours until your activity is finished. 
Is AltRed safe for sport?

Yes, AltRed is safe for sport. It has these third-party certifications:

NSF Certified for Sport

A product that is designated as NSF Certified for Sport goes above and beyond the established standard for quality in dietary supplements. It demonstrates our commitment to providing athletes with a clean, safe product, and promoting fair play in sport.

The program certifies that what is on the label is in the bottle and that the product does not contain unsafe levels of contaminants, prohibited substances, and masking agents.

View our listing on

Informed Sport

The Informed Sport program provides assurance that products have been tested for a wide range of substances prohibited in sport. 

Every batch of this product is tested for banned substances under the Informed Sport program. Products undergo rigorous testing using ISO 17025 accredited methods to provide the highest level of assurance for athletes. 

View our listing on

Are there published clinical studies for AltRed?

We have conducted three gold-standard clinical studies that prove positive effects for endurance athletes taking AltRed. Gold standard studies are double-blind, crossover, placebo-controlled, and randomized. Additional studies are in the works and will be added as they are published. 

Highlights from studies:

  • 3.5% more watts
  • 3% faster times  
  • 15% reduction in perceived exertion 
  • 2.5% more distance   
  • 5.4% increased exercise efficiency    
  • 9% reduction in exercise-induced muscle damage    
  • 14% less lactate acid production

Betalain-Rich Concentrate Supplementation Improves Exercise Performance and Recovery in Competitive Triathletes

Another study at University of California, Davis conducted on triathletes showed that they performed an average of 3% faster in a 5K recovery time trial performed 24 hours after completing a 10K time trial when they used AltRed. The triathletes also experienced an average 9% reduction in a key muscle damage indicator known as creatine kinase. Read full study

Effect of 1-Week Betalain-Rich Beetroot Concentrate Supplementation on Cycling Performance and Select Physiological Parameters 

Researchers at Auburn University conducted a study on cyclists that showed they produced an average watt increase of 3.5% during a 30-minute functional threshold power test when they used AltRed. Cyclists also increased cycling efficiency by an average of 5.4%. Read full study

Betalain-Rich Concentrate Supplementation Improves Exercise Performance in Competitive Runners

Researchers at University of California, Davis conducted a study on distance runners and showed that the runners performed an average of 3% faster in a 5K time trial when they used AltRed. The runners also saw an average 14% reduction in lactate acid levels and 15% reduction in perceived exertion. Read full study 

Is AltRed vegan?

We have begun to transition everything to a vegan capsule. Some our products still use gelatin capsules and will switch to a vegan capsule soon. Learn more about the vegan capsule we use here.

  • Immunity uses a clear vegan capsule.
  • AltRed 90 ct bottle uses a clear vegan capsule.
  • AltRed 30 ct bottle uses a clear vegan capsule. 
  • AltRed Single Serve 10 Pack currently uses a red gelatin capsule. 
Does AltRed contain oxalates?
No, AltRed does not contain oxalates. They are removed during the betalain extraction process. 
Does AltRed contain caffeine or any other stimulants?
No, AltRed does not contain caffeine or any other stimulants. 
Does AltRed contain nitrates?
No, AltRed does not contain nitrates. They are removed during the betalain extraction process.
Does AltRed contain sugar?
No, AltRed does not contain sugar. It is removed during the betalain extraction process. 
Where do you source your beets?
We use red beets sourced from farms in the United States.
Can AltRed be taken on an empty stomach?
AltRed can be taken on a full or empty stomach 1 to 2 hours before your activity. 
Is it safe to use AltRed if I have a medical condition or take medication?
We recommend consulting your doctor before using AltRed. Email any product-related questions your doctor has to
What is beeturia?
Beeturia is the passing of red or pink urine after eating beetroots, beetroot extract, or beetroot pigments. The color is caused by the excretion of betalain pigments.
Does Sur have a money-back guarantee?

Yes, we have a 30-day money back guarantee. If you take AltRed and do not notice or perceive any performance improvement, and have proof of purchase, we will refund your purchase. The amount of the refund will be the original purchase price and will not include any shipping and handling costs. Please note that the 30 days starts from the day your package is delivered. Email for assistance. Be sure to include your order number.

For any other questions related to returns or refunds please email Be sure to include your order number.

How do I contact Sur?
For assistance with your order email Be sure to include your order number. 
Do I need to create an account to place an order?
Accounts are optional. You can checkout without an account. You can create an account at any time to view your order details. Please note that you need to use the same email address when creating your account to see your past order details. 
How do I track my order?

You will receive a shipment confirmation email notification that includes a tracking number provided by the shipping carrier. This notification will be sent to the email address you used to place the order. Please allow at least 24 hours for your tracking number to show activity. 

USPS tracking status updates beyond the United States are only available for select countries. For more information, please see the list of eligible countries.

If you have questions related to tracking your order email Be sure to include your order number.

How do I change or cancel my order?
We can change or cancel your order if it has not shipped. Email for assistance. Be sure to include your order number.
When will my order ship?
Orders placed by 12:00 PM CT Monday through Friday (excluding holidays) typically ship the same day. Orders placed after 12:00 PM CT or Saturday/Sunday will ship the next business day.
Does Sur have a subscription option?
We do not currently offer a subscription option on our website. All orders are one-time purchases.
Does Sur have a Strava Club?
Yes, search for Sur PhytoPerformance under Clubs or go here.
Does Sur have a wholesale program?
If you are interested in selling our products email Be sure to include information about your business. Please note that our wholesale program is only available in the United States. 
I got a delivery notification but can't find my package.
Carriers occasionally mark packages 'Delivered' before they're dropped off. If your package does not show up within 2 business days email for assistance. Be sure to include your order number. 
Does Sur partner with teams or training groups?
Yes. If you're interested in working with us please complete the Teams application here. Once we receive your application someone will follow up with you.
Does Sur sponsor athletes?

Yes. If you're interested in working with us email We are no longer accepting applications for the 2022 Elite Athlete Program. Applications for 2023 will open in the fall. 

Does Sur have brand ambassadors?
Yes, we have a brand ambassador program. We are no longer applying applications for the 2022 program. Applications for 2023 will open in the fall.
Does Sur sponsor events?
Yes. If you're interested in working with us email