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Douglas Laboratories Corvalen – Pure D-Ribose Powder (288.6 g)

$154.24

Dresses Size Chart

Dress Size Chart (Inch)
DRESSES
SIZE IN INCHES
SIZE US / CAN BUST WAIST HIPS
XS 0 31"-32" 24"-25" 34"-35"
S 2-4 33"-34" 26"-27" 36"-37"
M 6-8 35"-36" 28"-29" 38"-39"
L 10-12 37"-39" 30"-32" 40"-42"
XL 14 40"-42" 33"-35" 43"-45"
Dress Size Chart (cm)
DRESSES
SIZE IN CM
SIZE US / CAN BUST WAIST HIPS
XS 0 78.7-81.2 60.9-63.5 86.3-88.9
S 2-4 83.8-86.3 66-68.5 91.4-93.9
M 6-8 88.9-91.4 71.1-73.6 96.5-99
L 10-12 93.9-99 76.2-81.2 101.6-106.6
XL 14 101.6-106.6 81.2-88.9 109.2-114.3

Swimwear Size Chart

Dress Size Chart (Inch)
SWIMWEAR
SIZE IN INCHES
SIZE US / CAN BUST WAIST HIPS
XS 0 31"-32" 24"-25" 33"-34"
S 2 33"-34" 26"-27" 35"-37"
M 4 35"-36" 28"-29" 37"-38"
L 6 37"-39" 30"-32" 39"-41"
XL 8 40"-42" 33"-35" 42"-44"

Shoes Size Chart

US EURO UK AUS JAPAN CHINA
5 35-36 3 3.5 21.5 35
5.5 36 3.5 4 22 35.5
6 36-37 4 4.5 22.5 36
6.5 37 4.5 5 23 36.5
7 37-38 5 5.5 23.5 37
7.5 38 5.5 6 24 37.5
8 38-39 6 6.5 24.5 38
8.5 39 6.5 7 25 38.5
9 39-40 7 7.5 25.5 39
9.5 40 7.5 8 26 39.5
10 40-41 8 8.5 26.5 40
11 41-42 9 9.5 27.5 41

Delivery

Orders are generally processed within 1–3 business days. Standard delivery to addresses in Canada usually takes approximately 5–15 business days after dispatch.

Tracking information will be sent by email when it becomes available. Delivery times are estimates and may be affected by carrier delays, customs, severe weather or circumstances outside our control.

  • Prices are displayed in Canadian dollars.
  • Applicable taxes and shipping charges are calculated at checkout.
  • Orders may be delivered in more than one shipment.
  • Please verify your shipping address before completing your order.

Returns & Refunds

Return requests must be submitted within 30 days of delivery. Vitamins, supplements and other health-related products must be unused, unopened, sealed and returned in their original packaging.

Opened or used products cannot be returned for health and safety reasons, unless the item arrived damaged, defective or incorrect. Damaged, defective or incorrect items should be reported within 48 hours of delivery.

Customers are responsible for return shipping costs for unwanted or change-of-mind returns. A restocking fee of up to 20% may apply where permitted. Original shipping charges are non-refundable unless the return results from an error on our part.

Refunds are issued to the original payment method after the returned item has been received and inspected. Please allow up to 7 business days for the refund to be processed.

Approved Return Address
Fullfillonus #1202
1128 Lexington Ave, Bldg 4 E
Rochester, New York 14606
United States
Please contact us before sending a return. Returns sent without prior authorization may be delayed, rejected or returned to the sender.

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For questions about an order, delivery, return or refund, contact our customer support team and include your order number.

Email: info@cloverlight.net

Vitamin4CA.com is operated by Cloverlight LLC.

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Douglas Laboratories Corvalen – Pure D-Ribose Powder (288.6 g)

Douglas Laboratories Corvalen – Pure D-Ribose Powder (288.6 g)

$154.24

What Makes Corvalen Different from Other Energy Supplements?

Unlike stimulant-based products that can cause jitters and crashes, Corvalen works at the cellular level to support your body's natural energy production. D-ribose is a pentose sugar that is a key structural component of ATP, the primary energy molecule in our cells. Douglas Laboratories, with over 65 years of experience in science-based supplements, offers this pure D-ribose powder to help fuel your energy without artificial highs or lows.

Who Should Take Corvalen?

Corvalen is ideal for adults looking to support their energy, cardiovascular wellness, and athletic performance. It may be especially helpful for:

  • Athletes & Fitness Enthusiasts: Those engaged in regular endurance or strength training may find D-ribose aids in energy recovery and reducing muscle fatigue.*
  • Individuals with Active Lifestyles: Anyone experiencing occasional fatigue or wanting to maintain steady energy levels can benefit.*
  • Health-Conscious Adults: As part of a wellness routine, D-ribose supports cellular energy and overall vitality.*

Always consult a healthcare professional before starting any new supplement, especially if you have a medical condition or are taking medication.

How to Use Corvalen D-Ribose Powder

Corvalen is a fine powder that mixes easily. The typical serving is one scoop (about 5 grams) taken one to three times daily, or as directed by a healthcare professional. Stir into water, juice, or a smoothie. It has a mildly sweet taste and dissolves quickly. For best results, use consistently as part of your daily routine.

This product is manufactured in a state-of-the-art facility that exceeds GMP standards, ensuring purity and potency in every batch.

Key Benefits of D-Ribose Supplementation

D-ribose is recognized for its role in energy metabolism and cellular health. Corvalen may help support:

  • Cardiovascular Function: By maintaining healthy ATP levels, D-ribose helps support the heart muscle's energy needs, contributing to overall cardiovascular wellness.*
  • Enhanced Energy Production: As a core component of ATP, D-ribose may help reduce fatigue and support sustained energy throughout the day.*
  • Athletic Endurance: Athletes may experience improved recovery and endurance during training, as D-ribose supports the resynthesis of ATP in muscle cells.*
  • Mitochondrial Health: Mitochondria rely on D-ribose to generate cellular energy, making this supplement a valuable tool for supporting mitochondrial function.*

These benefits make Corvalen a popular choice for active individuals and those focussed on heart health.

FAQs About D-Ribose and Corvalen

Can I take Corvalen with other supplements? Yes, D-ribose is generally well-tolerated and can be combined with other supplements like magnesium, CoQ10, or a multivitamin. However, consult your healthcare provider for personalized advice.

How long does it take to feel the effects? Some users notice improved energy and recovery within a few weeks, but individual results vary. Consistent use is recommended.

Is Corvalen safe for long-term use? D-ribose is a naturally occurring substance and is considered safe when used as directed. Stick to recommended dosages and speak with a healthcare professional for extended use.

Does it contain any common allergens? Corvalen is GMO-free and free from gluten, wheat, dairy, and soy. Always check the label for the most current allergen information.

What Is Corvalen?

Corvalen by Douglas Laboratories is a pure D-ribose powder designed to support cardiovascular health, energy production, and mitochondrial function.* D-ribose is a naturally occurring sugar that plays a critical role in the synthesis of adenosine triphosphate (ATP), the energy currency of our cells. This clinically researched ingredient helps the body replenish energy stores efficiently, making it a valuable supplement for those seeking to enhance vitality and recovery.*

Formulated without GMOs or unnecessary additives, Corvalen offers a clean, science-backed approach to energy support. Each 288.6-gram container provides a convenient powder that mixes easily with water or your favourite beverage.

*These statements have not been evaluated by Health Canada. This product is not intended to diagnose, treat, , or prevent any disease.

Important Information

Things You Need to Know

Your payment and personal information are protected using industry-standard SSL encryption, and all payments are securely processed through Shopify-approved payment providers. Prices are displayed in Canadian dollars, and applicable taxes are calculated at checkout.

Orders are generally processed within 1–3 business days. Standard delivery to Canada usually takes 5–15 business days after dispatch. Delivery times are estimates and may be affected by carrier delays, customs processing, weather conditions or other circumstances outside our control. Tracking information will be provided when available.

Return requests must be submitted within 30 days of delivery. Vitamins, supplements and health products must be unused, unopened, sealed and returned in their original packaging. Opened products cannot be returned unless they were delivered damaged, defective or incorrect.

Customers are responsible for return shipping costs for unwanted or change-of-mind returns, and a restocking fee of up to 20% may apply. Damaged, defective or incorrect items must be reported within 48 hours of delivery and may qualify for a replacement or full refund.

Refunds are issued to the original payment method after the returned item has been received and inspected. Refund processing may take up to 7 business days. Before returning any product, please contact our customer support team for return authorization. Returns sent without prior approval may be delayed or rejected.

Approved returns must be sent to:

Return Address Fullfillonus #1202
1128 Lexington Ave, Bldg 4 E
Rochester, New York 14606
United States

Refused or unclaimed shipments may only be refunded after they are returned and inspected. Original shipping charges, return shipping costs, customs fees and carrier charges may be deducted from the refund where applicable.

Vitamin4CA.com is operated by Cloverlight LLC.

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