Science in Sport (SiS)

Supplements & Nutrition • USwww.scienceinsport.com

Review data last updated July 2, 2026.

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Based on public reviews and response behavior.

Overall Score

77/100

−7.6 vs. last month4.34 ★ average rating · 996 reviews

Competitive Performance Rank

Among fully-analyzed Supplements & Nutrition companies

#11of 301

Top 4% · Top Tier

#1 (best)#301 (worst)

#9Peer

#10Peer

#11This company

#12Peer

#13Peer

Overall Customer Sentiment

Category Leader

58% of reviews positive, 41% negative

58%

positive

Positive58%
Neutral1%
Negative41%

Sentiment Balance

Covering July 2026 — 55 reviews, not the company's full review history.

Positive sentiment

Neutral sentiment

Negative sentiment

—

positive

Positive—
Neutral—
Negative—

Takeaway: Positive sentiment accounts for 49% of reviews in this period, with 47% negative and 4% neutral.

Sentiment Trend Over Time

Reviews (Count)

Showing 994 reviews across the months with enough data to chart reliably (min 3/month), most recent: July 2026.

Sentiment has been holding steady over the period shown.

Theme Distribution

Share of theme mentions

Delivery Shipping

23.1%

Product Quality

17.5%

Customer Support

15.8%

Response Speed

15.6%

Loyalty

8.0%

Most feedback concerns Delivery Shipping.

The most common complaint theme is Communication, making up 4.4% of all theme mentions.

Churn Signal Score

Rule-based: negative-review share, churn-intent phrases, and sentiment movement over time.

HIGH60/100

60/100

signal score

•Built from a negative-review share of 40.5% across this company's analyzed reviews.
•2 reviews contain phrases that signal intent to leave, such as cancelling or switching provider.
•Recent reviews are more negative than earlier ones, which pushes the signal up.

Reviewer Breakdown

Star split and recent-versus-earlier sentiment.

4.3avg rating

5★

75.3%

4★

7.2%

3★

4.4%

2★

2.0%

1★

11.0%

Based on 996 analyzed reviews. Sentiment is slipping: 82.0% of reviews in the last three months were positive, compared with 88.0% in the three months before that.

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