How to choose between REGO Rapid Recovery and BETA Recovery? Key differences between the two recovery powders

1Product Positioning: Both are Recovery Powders, but with Different Formulative Philosophies

SiS's Recovery series includes several products, and the two being compared here both address nutritional needs after endurance exercise, but with distinctly different starting points.

• BETA Recovery: Officially positioned as an "advanced recovery solution," it is an advanced complex formula of carbohydrates and protein, designed for endurance athletes who need a complete recovery solution to ensure adequate adjustment before their next training session.
• REGO Rapid Recovery: Officially positioned as a "complete muscle recovery solution," it is a vegan formula with added vitamins and minerals.

Core Assessment: Both revolve around "replenishing what has been depleted after exercise," but BETA Recovery leans towards "high carbohydrate replenishment," while REGO Rapid Recovery leans towards "vegan + low sugar + micronutrients."

• SiS Official Product Page: BETA Recovery (scienceinsport.com/shop-by-need/recovery/beta-recovery-powder)
• SiS Official Product Page: REGO Rapid Recovery (scienceinsport.com/shop-by-need/recovery/rego-recovery-powder)

2Nutritional Comparison: What's the difference per serving?

Let's lay out the nutritional figures "per serving" for both. Note: The serving sizes for the two products are different – BETA Recovery is 100g per serving, and REGO Rapid Recovery is 50g per serving. Therefore, you cannot directly compare absolute values; instead, you need to consider "what you consume per serving."

• SiS Official Product Pages: BETA Recovery / REGO Rapid Recovery Nutrition Labels (scienceinsport.com)

3Why the Difference in 'Sugar' and 'Protein Source'?

After endurance exercise, muscle glycogen stores are significantly depleted, and muscle tissue also requires amino acids to maintain its state. The consensus in sports nutrition is that carbohydrate intake after exercise helps replenish glycogen, and combining it with protein (especially essential amino acids containing leucine) benefits muscle tissue status (Alghannam et al., Nutrients 2018; Kerksick et al., J Int Soc Sports Nutr 2017).

Applying this logic to the two products, the differences become clear:

• Amount of Sugar: BETA Recovery contains 35g of sugar per serving (from added sugars and fructose), providing significantly more sugar for glycogen replenishment; REGO Rapid Recovery has only 1.7g of sugar, positioning it as a low-sugar option with a more gradual blood sugar response.
• Protein Source: BETA Recovery uses whey protein concentrate (contains dairy, fast-absorbing, complete amino acid profile); REGO Rapid Recovery uses soy protein isolate, which is vegan-friendly, with added L-leucine.
• Added Value: BETA Recovery includes BC30™ probiotics to support gut health; REGO Rapid Recovery includes a full complex of vitamins and minerals (C, E, B complex, iron, zinc, chloride), essentially replenishing micronutrients after exercise.

• Alghannam AF, et al. Restoration of Muscle Glycogen and Functional Capacity: Role of Post-Exercise Carbohydrate and Protein Co-Ingestion. Nutrients 2018;10(2):253. PMID:29473893. DOI:10.3390/nu10020253
• Kerksick CM, et al. International society of sports nutrition position stand: nutrient timing. J Int Soc Sports Nutr 2017;14:33. PMID:28919842. DOI:10.1186/s12970-017-0189-4

The above illustrates the logic of the formulations and is not a mandatory recommendation; actual selection should be based on your dietary habits, training volume, and gastrointestinal tolerance.

The above illustrates the logic of the formulations and is not a mandatory recommendation; actual selection should be based on your dietary habits, training volume, and gastrointestinal tolerance.

• Based on the nutrition labels in §2 and the mechanistic basis in §3 of this article

5Practical Reminders: Mixing and Timing

• Consume as early as possible: Sports nutrition recommends replenishing as early as possible after exercise; studies show that delayed carbohydrate intake can affect next-day exercise performance (Díaz-Lara et al., Acta Physiol 2024). Both products are recommended for consumption as soon as possible after exercise.
• Preparation Method: Both are powders; simply mix with water. REGO Rapid Recovery is a vegan formula and does not contain dairy ingredients.
• Test during training first: Always test new products during regular training to observe gastrointestinal tolerance and taste adaptation before using them on race day.
• Pairing principles: Recovery powders replenish carbohydrates and protein, but you still need to consume enough water and electrolytes throughout the day; product examples are for reference only, please adjust according to your individual needs.

• Díaz-Lara J, et al. Delaying post-exercise carbohydrate intake impairs next-day exercise capacity but not muscle glycogen or molecular responses. Acta Physiol (Oxf) 2024;240(10):e14215. PMID:39263899. DOI:10.1111/apha.14215
• Same as the nutrition labels in §2 of this article

Conclusion: Choose the right formula, not necessarily the "stronger" one

REGO Rapid Recovery and BETA Recovery are not about one replacing the other, but rather two different recovery approaches: BETA Recovery uses high carbohydrates + high sugar for rapid glycogen replenishment and includes probiotics; REGO Rapid Recovery uses a vegan, low-sugar formula for protein replenishment, along with a set of vitamins and minerals.

Actionable steps:

1. First, ask yourself, "Do I want to replenish a large amount of glycogen after exercise, or do I prefer low-sugar and vegan options?" — this answer will determine 90% of your choice.
2. If you are vegan or dairy intolerant, choose REGO Rapid Recovery; if you want to replenish a large amount of glycogen, choose BETA Recovery.
3. Always test new products during training to confirm gastrointestinal tolerance and taste before committing to them.

• SiS Official Product Page: BETA Recovery. https://www.scienceinsport.com/shop-by-need/recovery/beta-recovery-powder
• SiS Official Product Page: REGO Rapid Recovery. https://www.scienceinsport.com/shop-by-need/recovery/rego-recovery-powder
• Alghannam AF, et al. Restoration of Muscle Glycogen and Functional Capacity: Role of Post-Exercise Carbohydrate and Protein Co-Ingestion. Nutrients 2018;10(2):253. PMID:29473893. DOI:10.3390/nu10020253
• Kerksick CM, et al. International society of sports nutrition position stand: nutrient timing. J Int Soc Sports Nutr 2017;14:33. PMID:28919842. DOI:10.1186/s12970-017-0189-4
• Díaz-Lara J, et al. Delaying post-exercise carbohydrate intake impairs next-day exercise capacity but not muscle glycogen or molecular responses. Acta Physiol (Oxf) 2024;240(10):e14215. PMID:39263899. DOI:10.1111/apha.14215